Greatest Common Factor of 40, 64, 77, 63

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

• Greatest Common Factor of 40, 64, 77, 63 by common division method
• Greatest Common Factor of 40, 64, 77, 63 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

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 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

Greatest Common Factor

We found the factors 40,64,77,63 . The biggest common factor number is the GCF number.
So the greatest common factor 40,64,77,63 is 1.

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

• GCF of 57, 95, 42, 23
• GCF of 93, 84, 40, 26
• GCF of 96, 21, 95, 77
• GCF of 12, 92, 32, 87
• GCF of 10, 24, 53, 61

1. What is the GCF of 40, 64, 77, 63?

Answer: GCF of 40, 64, 77, 63 is 1.

2. How to Find the GCF of 40, 64, 77, 63

Answer: Greatest Common Factor(GCF) of 40, 64, 77, 63 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 64, 77, 63) = 1.