Greatest Common Factor of 21, 10, 64, 527

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

• Greatest Common Factor of 21, 10, 64, 527 by common division method
• Greatest Common Factor of 21, 10, 64, 527 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

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 527

List of positive integer factors of 527 that divides 527 without a remainder.

1,17,31,527

Greatest Common Factor

We found the factors 21,10,64,527 . The biggest common factor number is the GCF number.
So the greatest common factor 21,10,64,527 is 1.

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

• GCF of 69, 96, 93, 243
• GCF of 12, 66, 26, 965
• GCF of 21, 31, 77, 324
• GCF of 59, 36, 22, 745
• GCF of 15, 13, 49, 935

1. What is the GCF of 21, 10, 64, 527?

Answer: GCF of 21, 10, 64, 527 is 1.

2. How to Find the GCF of 21, 10, 64, 527

Answer: Greatest Common Factor(GCF) of 21, 10, 64, 527 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 10, 64, 527) = 1.