Greatest Common Factor of 42, 10, 17, 74, 56

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 42, 10, 17, 74, 56 by common division method
• Greatest Common Factor of 42, 10, 17, 74, 56 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Greatest Common Factor

We found the factors 42,10,17,74,56 . The biggest common factor number is the GCF number.
So the greatest common factor 42,10,17,74,56 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 46, 14, 70, 84, 74
• GCF of 65, 14, 57, 28, 19
• GCF of 10, 28, 46, 22, 52
• GCF of 38, 68, 29, 12, 44
• GCF of 43, 12, 79, 90, 86

1. What is the GCF of 42, 10, 17, 74, 56?

Answer: GCF of 42, 10, 17, 74, 56 is 1.

2. How to Find the GCF of 42, 10, 17, 74, 56

Answer: Greatest Common Factor(GCF) of 42, 10, 17, 74, 56 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(42, 10, 17, 74, 56) = 1.