Greatest Common Factor of 42, 68, 157

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

• Greatest Common Factor of 42, 68, 157 by common division method
• Greatest Common Factor of 42, 68, 157 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 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 157

List of positive integer factors of 157 that divides 157 without a remainder.

1,157

Greatest Common Factor

We found the factors 42,68,157 . The biggest common factor number is the GCF number.
So the greatest common factor 42,68,157 is 1.

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

• GCF of 69, 48, 497
• GCF of 54, 98, 291
• GCF of 80, 41, 756
• GCF of 19, 66, 510
• GCF of 97, 35, 620

1. What is the GCF of 42, 68, 157?

Answer: GCF of 42, 68, 157 is 1.

2. How to Find the GCF of 42, 68, 157

Answer: Greatest Common Factor(GCF) of 42, 68, 157 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 68, 157) = 1.