Greatest Common Factor of 78, 57, 70, 136

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

• Greatest Common Factor of 78, 57, 70, 136 by common division method
• Greatest Common Factor of 78, 57, 70, 136 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 78

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

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

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

Factors of 136

List of positive integer factors of 136 that divides 136 without a remainder.

1,2,4,8,17,34,68,136

Greatest Common Factor

We found the factors 78,57,70,136 . The biggest common factor number is the GCF number.
So the greatest common factor 78,57,70,136 is 1.

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

• GCF of 66, 67, 20, 801
• GCF of 73, 22, 60, 895
• GCF of 92, 39, 78, 743
• GCF of 66, 10, 27, 106
• GCF of 52, 76, 22, 884

1. What is the GCF of 78, 57, 70, 136?

Answer: GCF of 78, 57, 70, 136 is 1.

2. How to Find the GCF of 78, 57, 70, 136

Answer: Greatest Common Factor(GCF) of 78, 57, 70, 136 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 57, 70, 136) = 1.