Greatest Common Factor of 21, 20, 736

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

• Greatest Common Factor of 21, 20, 736 by common division method
• Greatest Common Factor of 21, 20, 736 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 736

List of positive integer factors of 736 that divides 736 without a remainder.

1,2,4,8,16,23,32,46,92,184,368,736

Greatest Common Factor

We found the factors 21,20,736 . The biggest common factor number is the GCF number.
So the greatest common factor 21,20,736 is 1.

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

• GCF of 65, 32, 748
• GCF of 35, 35, 681
• GCF of 69, 49, 252
• GCF of 82, 42, 403
• GCF of 34, 16, 298

1. What is the GCF of 21, 20, 736?

Answer: GCF of 21, 20, 736 is 1.

2. How to Find the GCF of 21, 20, 736

Answer: Greatest Common Factor(GCF) of 21, 20, 736 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 20, 736) = 1.