Greatest Common Factor of 21, 117, 931

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

• Greatest Common Factor of 21, 117, 931 by common division method
• Greatest Common Factor of 21, 117, 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 21

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

1,3,7,21

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

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 21,117,931 . The biggest common factor number is the GCF number.
So the greatest common factor 21,117,931 is 1.

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

• GCF of 57, 923, 246
• GCF of 28, 833, 247
• GCF of 94, 506, 584
• GCF of 18, 914, 986
• GCF of 66, 606, 155

1. What is the GCF of 21, 117, 931?

Answer: GCF of 21, 117, 931 is 1.

2. How to Find the GCF of 21, 117, 931

Answer: Greatest Common Factor(GCF) of 21, 117, 931 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 117, 931) = 1.