Greatest Common Factor of 53, 77, 78, 40

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

• Greatest Common Factor of 53, 77, 78, 40 by common division method
• Greatest Common Factor of 53, 77, 78, 40 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 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Factors of 77

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

1,7,11,77

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 40

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

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

Greatest Common Factor

We found the factors 53,77,78,40 . The biggest common factor number is the GCF number.
So the greatest common factor 53,77,78,40 is 1.

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

• GCF of 61, 61, 59, 80
• GCF of 69, 80, 78, 87
• GCF of 37, 13, 99, 98
• GCF of 64, 86, 84, 81
• GCF of 11, 83, 90, 72

1. What is the GCF of 53, 77, 78, 40?

Answer: GCF of 53, 77, 78, 40 is 1.

2. How to Find the GCF of 53, 77, 78, 40

Answer: Greatest Common Factor(GCF) of 53, 77, 78, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(53, 77, 78, 40) = 1.