Greatest Common Factor of 21, 714, 749

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

• Greatest Common Factor of 21, 714, 749 by common division method
• Greatest Common Factor of 21, 714, 749 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 714

List of positive integer factors of 714 that divides 714 without a remainder.

1,2,3,6,7,14,17,21,34,42,51,102,119,238,357,714

Factors of 749

List of positive integer factors of 749 that divides 749 without a remainder.

1,7,107,749

Greatest Common Factor

We found the factors 21,714,749 . The biggest common factor number is the GCF number.
So the greatest common factor 21,714,749 is 7.

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

• GCF of 60, 991, 221
• GCF of 49, 361, 372
• GCF of 54, 831, 825
• GCF of 42, 793, 782
• GCF of 18, 733, 545

1. What is the GCF of 21, 714, 749?

Answer: GCF of 21, 714, 749 is 7.

2. How to Find the GCF of 21, 714, 749

Answer: Greatest Common Factor(GCF) of 21, 714, 749 = 7

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

Step 2: Then multiply all the prime factors GCF(21, 714, 749) = 7.