Greatest Common Factor of 21, 721, 350

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

• Greatest Common Factor of 21, 721, 350 by common division method
• Greatest Common Factor of 21, 721, 350 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 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Factors of 350

List of positive integer factors of 350 that divides 350 without a remainder.

1,2,5,7,10,14,25,35,50,70,175,350

Greatest Common Factor

We found the factors 21,721,350 . The biggest common factor number is the GCF number.
So the greatest common factor 21,721,350 is 7.

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

• GCF of 86, 973, 584
• GCF of 64, 936, 262
• GCF of 17, 520, 871
• GCF of 40, 257, 938
• GCF of 24, 294, 766

1. What is the GCF of 21, 721, 350?

Answer: GCF of 21, 721, 350 is 7.

2. How to Find the GCF of 21, 721, 350

Answer: Greatest Common Factor(GCF) of 21, 721, 350 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 721, 350) = 7.