Greatest Common Factor of 21, 917, 910

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

• Greatest Common Factor of 21, 917, 910 by common division method
• Greatest Common Factor of 21, 917, 910 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 21

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

1,3,7,21

Factors of 917

List of positive integer factors of 917 that divides 917 without a remainder.

1,7,131,917

Factors of 910

List of positive integer factors of 910 that divides 910 without a remainder.

1,2,5,7,10,13,14,26,35,65,70,91,130,182,455,910

Greatest Common Factor

We found the factors 21,917,910 . The biggest common factor number is the GCF number.
So the greatest common factor 21,917,910 is 7.

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

• GCF of 70, 248, 255
• GCF of 40, 402, 252
• GCF of 22, 250, 928
• GCF of 52, 918, 712
• GCF of 45, 287, 745

1. What is the GCF of 21, 917, 910?

Answer: GCF of 21, 917, 910 is 7.

2. How to Find the GCF of 21, 917, 910

Answer: Greatest Common Factor(GCF) of 21, 917, 910 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 917, 910) = 7.