What are the factors of 42 and 30?
There are 4 common factors of 30 and 42; they are 1, 2, 3, and 6. Therefore, the highest common factor of 30 and 42 is 6.
Prime factorization of 30 and 42 is (2 × 3 × 5) and (2 × 3 × 7) respectively. As visible, 30 and 42 have common prime factors. Hence, the GCF of 30 and 42 is 2 × 3 = 6.
Factors of 42: 1, 2, 3, 6, 7, 14, 21 and 42.
What is LCM of 30 and 42? The answer to this question is 210.
Factors of 30: 1, 2, 3, 5, 6, 10, 15 and 30.
Solution: 30/42 as a percent is 71.429%
LCM of 30 and 42 by Prime Factorization
LCM of 30 and 42 can be obtained by multiplying prime factors raised to their respective highest power, i.e. 21 × 31 × 51 × 71 = 210. Hence, the LCM of 30 and 42 by prime factorization is 210.
The prime factors of 30 are 2, 3, 5.
The number 42 is divisible by 1, 2, 3, 6, 7, 14, 21, 42. For a number to be classified as a prime number, it should have exactly two factors. Since 42 has more than two factors, i.e. 1, 2, 3, 6, 7, 14, 21, 42, it is not a prime number.
When you compare the two lists of factors, you can see that the common factor(s) are 1, 2, 3, 6, 7, 14, 21, 42. Since 42 is the largest of these common factors, the GCF of 42 and 42 would be 42.
What is the GCF of 42 30 and 12?
List the factors for 42 42 . List all the factors for 12,30,42 12 , 30 , 42 to find the common factors. The common factors for 12,30,42 12 , 30 , 42 are 1,2,3,6 1 , 2 , 3 , 6 . The GCF (HCF) of the numerical factors 1,2,3,6 1 , 2 , 3 , 6 is 6 .
LCM of 12, 30 and 42 is 420.

Every possible factor tree for the number 30 is shown below. The number 30 can be written in prime factorization as 2 x 3 x 5. All of the factors are prime numbers. Using exponential form, 30 = 213151, indicating that there is one 2, one 3 and one 5 multilplied together to get the result of 30.
The multiples of 30 are 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, etc. These multiples are obtained when we multiply 30 by natural numbers, i.e. 1, 2, 3, …, 10, respectively. For example, 120, 330, 420, 570 are all multiples of 30 for the following reasons.
The prime factors of 30 are 2 x 3 x 5. The prime factors they have in common are 3 x 5. 3 x 5 = 15. The greatest common factor is 15.
Solution: 30/42 as a decimal is 0.71.
A score of 30 out of 42 on a test, assignment or class is a 71.43% percentage grade. 12 questions were wrong or points missed. A 71% is a C- letter grade.
Common examples of grade conversion are: A+ (97–100), A (93–96), A- (90–92), B+ (87–89), B (83–86), B- (80–82), C+ (77–79), C (73–76), C- (70–72), D+ (67–69), D (65–66), D- (below 65).
Calculate the LCM
The least common multiple of 30, 42 and 98 is 1,470.
The list of first few multiples of 42 are 42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, 546, 588, 630, 672, 714, 756, 798, 840,……. these are the multiples obtained by multiplication of 42 with the first 20 natural numbers.
What is the HCF of 30 42 and 60?
List the factors for 60 60 . List all the factors for 30,42,60 30 , 42 , 60 to find the common factors. The common factors for 30,42,60 30 , 42 , 60 are 1,2,3,6 1 , 2 , 3 , 6 . The GCF (HCF) of the numerical factors 1,2,3,6 1 , 2 , 3 , 6 is 6 .
factor, in mathematics, a number or algebraic expression that divides another number or expression evenly—i.e., with no remainder. For example, 3 and 6 are factors of 12 because 12 ÷ 3 = 4 exactly and 12 ÷ 6 = 2 exactly. The other factors of 12 are 1, 2, 4, and 12.
Solution: The GCF of 40 and 30 is 10.
What is the sum of factors of 30? The factors of 30 are 1, 2, 3, 5, 6, 10, 15 and 30. Hence, the sum is 72.
Prime factorization of 24 and 30 is (2 × 2 × 2 × 3) and (2 × 3 × 5) respectively. As visible, 24 and 30 have common prime factors. Hence, the GCF of 24 and 30 is 2 × 3 = 6.
No, 30 is not a prime number. The number 30 is divisible by 1, 2, 3, 5, 6, 10, 15, 30. For a number to be classified as a prime number, it should have exactly two factors. Since 30 has more than two factors, i.e. 1, 2, 3, 5, 6, 10, 15, 30, it is not a prime number.
The factors of 24 and 42 are 1, 2, 3, 4, 6, 8, 12, 24 and 1, 2, 3, 6, 7, 14, 21, 42 respectively.
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42 and the factors of 6 are 1, 2, 3, and 6.
The factors of 12 and 42 are 1, 2, 3, 4, 6, 12 and 1, 2, 3, 6, 7, 14, 21, 42 respectively. There are 3 commonly used methods to find the GCF of 12 and 42 - prime factorization, Euclidean algorithm, and long division.
The largest prime factor of 42 is 7. The number 42 can be written as: 42 = 2 x 3 x 7. Positive factors: 1, 2, 3, 6, 7, 14, 21, and 42.
How many factors of 42 are divisible by 3?
Adding 42's digits gives 4+2=6, and 6 is divisible by 3, so 42 is divisible by 3.
42=2×3×7← product of prime factors.
The factors of 20 and 42 are 1, 2, 4, 5, 10, 20 and 1, 2, 3, 6, 7, 14, 21, 42 respectively.
When you compare the two lists of factors, you can see that the common factor(s) are 1, 2. Since 2 is the largest of these common factors, the GCF of 100 and 42 would be 2.
There are 4 common factors of 18 and 42, and they are 1, 2, 3, and 6. Therefore, the Highest Common Factor of 18 and 42 is 6.
Step 1: List a few multiples of 30 (30, 60, 90, 120, . . . ) and 42 (42, 84, 126, 168, 210, 252, 294, . . . . ) Step 2: The common multiples from the multiples of 30 and 42 are 210, 420, . . . Step 3: The smallest common multiple of 30 and 42 is 210.
The list of first few multiples of 42 are 42, 84, 126, 168, 210, 252, 294, 336, 378, 420, 462, 504, 546, 588, 630, 672, 714, 756, 798, 840,……. these are the multiples obtained by multiplication of 42 with the first 20 natural numbers.
The factors of 32 and 42 are 1, 2, 4, 8, 16, 32 and 1, 2, 3, 6, 7, 14, 21, 42 respectively.
There are 4 common factors of 30 and 40, that are 1, 2, 10, and 5. Therefore, the greatest common factor of 30 and 40 is 10.
The multiples of 30 are 30, 60, 90, 120, 150, 180, 210, 240, 270, 300, etc. These multiples are obtained when we multiply 30 by natural numbers, i.e. 1, 2, 3, …, 10, respectively. For example, 120, 330, 420, 570 are all multiples of 30 for the following reasons.
What is 42 greatest common factor?
GCF is the greatest common factor or highest integer that divides all the numbers. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42.
Solution: The GCF of 35 and 42 is 7.
Since 2 is the largest of these common factors, the GCF of 42 and 52 would be 2.
LCM of 30, 40 and 60 is 120. LCM denotes the least common factor or multiple of any two or more given numbers. Students can make use of the article developed by the experts to erase the doubts based on the LCM concept immediately.
What is LCM of 30 and 40. The Least Common Multiple or Lowest Common Multiple of 30 and 40 is 120.
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