Greatest Common Factor of 42, 77, 78, 710

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

• Greatest Common Factor of 42, 77, 78, 710 by common division method
• Greatest Common Factor of 42, 77, 78, 710 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 42

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

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

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 710

List of positive integer factors of 710 that divides 710 without a remainder.

1,2,5,10,71,142,355,710

Greatest Common Factor

We found the factors 42,77,78,710 . The biggest common factor number is the GCF number.
So the greatest common factor 42,77,78,710 is 1.

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

• GCF of 37, 58, 79, 768
• GCF of 79, 15, 17, 405
• GCF of 67, 18, 63, 471
• GCF of 16, 82, 93, 824
• GCF of 99, 55, 86, 674

1. What is the GCF of 42, 77, 78, 710?

Answer: GCF of 42, 77, 78, 710 is 1.

2. How to Find the GCF of 42, 77, 78, 710

Answer: Greatest Common Factor(GCF) of 42, 77, 78, 710 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 77, 78, 710) = 1.