Greatest Common Factor of 21, 72, 63, 794

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

• Greatest Common Factor of 21, 72, 63, 794 by common division method
• Greatest Common Factor of 21, 72, 63, 794 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 794

List of positive integer factors of 794 that divides 794 without a remainder.

1,2,397,794

Greatest Common Factor

We found the factors 21,72,63,794 . The biggest common factor number is the GCF number.
So the greatest common factor 21,72,63,794 is 1.

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

• GCF of 70, 67, 46, 490
• GCF of 64, 40, 72, 973
• GCF of 29, 74, 26, 521
• GCF of 62, 45, 71, 702
• GCF of 97, 91, 72, 832

1. What is the GCF of 21, 72, 63, 794?

Answer: GCF of 21, 72, 63, 794 is 1.

2. How to Find the GCF of 21, 72, 63, 794

Answer: Greatest Common Factor(GCF) of 21, 72, 63, 794 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 72, 63, 794) = 1.