Greatest Common Factor of 20, 37, 21, 931

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

• Greatest Common Factor of 20, 37, 21, 931 by common division method
• Greatest Common Factor of 20, 37, 21, 931 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 37

List of positive integer factors of 37 that divides 37 without a remainder.

1,37

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 931

List of positive integer factors of 931 that divides 931 without a remainder.

1,7,19,49,133,931

Greatest Common Factor

We found the factors 20,37,21,931 . The biggest common factor number is the GCF number.
So the greatest common factor 20,37,21,931 is 1.

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

• GCF of 56, 20, 21, 970
• GCF of 68, 99, 38, 933
• GCF of 39, 61, 24, 206
• GCF of 99, 25, 40, 784
• GCF of 33, 84, 41, 524

1. What is the GCF of 20, 37, 21, 931?

Answer: GCF of 20, 37, 21, 931 is 1.

2. How to Find the GCF of 20, 37, 21, 931

Answer: Greatest Common Factor(GCF) of 20, 37, 21, 931 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 37, 21, 931) = 1.