Greatest Common Factor of 56, 64, 21, 698

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

• Greatest Common Factor of 56, 64, 21, 698 by common division method
• Greatest Common Factor of 56, 64, 21, 698 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 21

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

1,3,7,21

Factors of 698

List of positive integer factors of 698 that divides 698 without a remainder.

1,2,349,698

Greatest Common Factor

We found the factors 56,64,21,698 . The biggest common factor number is the GCF number.
So the greatest common factor 56,64,21,698 is 1.

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

• GCF of 54, 22, 86, 624
• GCF of 94, 15, 39, 966
• GCF of 68, 87, 84, 990
• GCF of 13, 94, 89, 828
• GCF of 85, 48, 44, 478

1. What is the GCF of 56, 64, 21, 698?

Answer: GCF of 56, 64, 21, 698 is 1.

2. How to Find the GCF of 56, 64, 21, 698

Answer: Greatest Common Factor(GCF) of 56, 64, 21, 698 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 64, 21, 698) = 1.