Greatest Common Factor of 77, 63, 10, 64

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

• Greatest Common Factor of 77, 63, 10, 64 by common division method
• Greatest Common Factor of 77, 63, 10, 64 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

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

Greatest Common Factor

We found the factors 77,63,10,64 . The biggest common factor number is the GCF number.
So the greatest common factor 77,63,10,64 is 1.

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

• GCF of 74, 49, 25, 21
• GCF of 22, 40, 72, 55
• GCF of 59, 91, 78, 44
• GCF of 42, 39, 97, 53
• GCF of 24, 23, 70, 97

1. What is the GCF of 77, 63, 10, 64?

Answer: GCF of 77, 63, 10, 64 is 1.

2. How to Find the GCF of 77, 63, 10, 64

Answer: Greatest Common Factor(GCF) of 77, 63, 10, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 63, 10, 64) = 1.