Greatest Common Factor of 42, 40, 157

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

• Greatest Common Factor of 42, 40, 157 by common division method
• Greatest Common Factor of 42, 40, 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 42,40,157 . The biggest common factor number is the GCF number.
So the greatest common factor 42,40,157 is 1.

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

• GCF of 25, 97, 480
• GCF of 22, 12, 451
• GCF of 50, 64, 899
• GCF of 82, 96, 141
• GCF of 13, 91, 461

1. What is the GCF of 42, 40, 157?

Answer: GCF of 42, 40, 157 is 1.

2. How to Find the GCF of 42, 40, 157

Answer: Greatest Common Factor(GCF) of 42, 40, 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, 40, 157) = 1.