Greatest Common Factor of 64, 51, 42, 121

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

• Greatest Common Factor of 64, 51, 42, 121 by common division method
• Greatest Common Factor of 64, 51, 42, 121 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Greatest Common Factor

We found the factors 64,51,42,121 . The biggest common factor number is the GCF number.
So the greatest common factor 64,51,42,121 is 1.

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

• GCF of 72, 98, 29, 906
• GCF of 62, 17, 89, 777
• GCF of 92, 62, 20, 409
• GCF of 56, 15, 29, 996
• GCF of 66, 42, 49, 774

1. What is the GCF of 64, 51, 42, 121?

Answer: GCF of 64, 51, 42, 121 is 1.

2. How to Find the GCF of 64, 51, 42, 121

Answer: Greatest Common Factor(GCF) of 64, 51, 42, 121 = 1

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

Step 2: Then multiply all the prime factors GCF(64, 51, 42, 121) = 1.