Greatest Common Factor of 21, 91, 54, 964

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

• Greatest Common Factor of 21, 91, 54, 964 by common division method
• Greatest Common Factor of 21, 91, 54, 964 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 54

List of positive integer factors of 54 that divides 54 without a remainder.

1,2,3,6,9,18,27,54

Factors of 964

List of positive integer factors of 964 that divides 964 without a remainder.

1,2,4,241,482,964

Greatest Common Factor

We found the factors 21,91,54,964 . The biggest common factor number is the GCF number.
So the greatest common factor 21,91,54,964 is 1.

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

• GCF of 72, 67, 39, 373
• GCF of 89, 37, 53, 849
• GCF of 76, 27, 17, 550
• GCF of 81, 82, 37, 136
• GCF of 92, 41, 19, 236

1. What is the GCF of 21, 91, 54, 964?

Answer: GCF of 21, 91, 54, 964 is 1.

2. How to Find the GCF of 21, 91, 54, 964

Answer: Greatest Common Factor(GCF) of 21, 91, 54, 964 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 91, 54, 964) = 1.