Greatest Common Factor of 77, 42, 715

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

• Greatest Common Factor of 77, 42, 715 by common division method
• Greatest Common Factor of 77, 42, 715 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 42

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

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

Factors of 715

List of positive integer factors of 715 that divides 715 without a remainder.

1,5,11,13,55,65,143,715

Greatest Common Factor

We found the factors 77,42,715 . The biggest common factor number is the GCF number.
So the greatest common factor 77,42,715 is 1.

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

• GCF of 40, 83, 670
• GCF of 62, 68, 850
• GCF of 62, 18, 746
• GCF of 39, 93, 456
• GCF of 47, 73, 955

1. What is the GCF of 77, 42, 715?

Answer: GCF of 77, 42, 715 is 1.

2. How to Find the GCF of 77, 42, 715

Answer: Greatest Common Factor(GCF) of 77, 42, 715 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 42, 715) = 1.