Greatest Common Factor of 64, 84, 21, 508

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

• Greatest Common Factor of 64, 84, 21, 508 by common division method
• Greatest Common Factor of 64, 84, 21, 508 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 64

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

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

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 21

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

1,3,7,21

Factors of 508

List of positive integer factors of 508 that divides 508 without a remainder.

1,2,4,127,254,508

Greatest Common Factor

We found the factors 64,84,21,508 . The biggest common factor number is the GCF number.
So the greatest common factor 64,84,21,508 is 1.

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

• GCF of 12, 24, 20, 431
• GCF of 78, 25, 58, 195
• GCF of 21, 14, 33, 331
• GCF of 19, 73, 68, 115
• GCF of 29, 96, 82, 202

1. What is the GCF of 64, 84, 21, 508?

Answer: GCF of 64, 84, 21, 508 is 1.

2. How to Find the GCF of 64, 84, 21, 508

Answer: Greatest Common Factor(GCF) of 64, 84, 21, 508 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 84, 21, 508) = 1.