Greatest Common Factor of 42, 57, 971

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

• Greatest Common Factor of 42, 57, 971 by common division method
• Greatest Common Factor of 42, 57, 971 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 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 971

List of positive integer factors of 971 that divides 971 without a remainder.

1,971

Greatest Common Factor

We found the factors 42,57,971 . The biggest common factor number is the GCF number.
So the greatest common factor 42,57,971 is 1.

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

• GCF of 65, 87, 614
• GCF of 15, 86, 632
• GCF of 89, 89, 289
• GCF of 94, 14, 899
• GCF of 90, 78, 907

1. What is the GCF of 42, 57, 971?

Answer: GCF of 42, 57, 971 is 1.

2. How to Find the GCF of 42, 57, 971

Answer: Greatest Common Factor(GCF) of 42, 57, 971 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 57, 971) = 1.