Greatest Common Factor of 64, 21, 83, 438

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

• Greatest Common Factor of 64, 21, 83, 438 by common division method
• Greatest Common Factor of 64, 21, 83, 438 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 21

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

1,3,7,21

Factors of 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 64,21,83,438 . The biggest common factor number is the GCF number.
So the greatest common factor 64,21,83,438 is 1.

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

• GCF of 77, 39, 36, 324
• GCF of 61, 57, 74, 756
• GCF of 26, 61, 93, 389
• GCF of 38, 89, 39, 729
• GCF of 62, 41, 25, 975

1. What is the GCF of 64, 21, 83, 438?

Answer: GCF of 64, 21, 83, 438 is 1.

2. How to Find the GCF of 64, 21, 83, 438

Answer: Greatest Common Factor(GCF) of 64, 21, 83, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 21, 83, 438) = 1.