Greatest Common Factor of 321, 748, 21

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

• Greatest Common Factor of 321, 748, 21 by common division method
• Greatest Common Factor of 321, 748, 21 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 321

List of positive integer factors of 321 that divides 321 without a remainder.

1,3,107,321

Factors of 748

List of positive integer factors of 748 that divides 748 without a remainder.

1,2,4,11,17,22,34,44,68,187,374,748

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 321,748,21 . The biggest common factor number is the GCF number.
So the greatest common factor 321,748,21 is 1.

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

• GCF of 713, 753, 85
• GCF of 772, 756, 60
• GCF of 681, 975, 13
• GCF of 752, 976, 16
• GCF of 278, 282, 98

1. What is the GCF of 321, 748, 21?

Answer: GCF of 321, 748, 21 is 1.

2. How to Find the GCF of 321, 748, 21

Answer: Greatest Common Factor(GCF) of 321, 748, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(321, 748, 21) = 1.