Greatest Common Factor of 695, 689, 20

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

• Greatest Common Factor of 695, 689, 20 by common division method
• Greatest Common Factor of 695, 689, 20 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 695

List of positive integer factors of 695 that divides 695 without a remainder.

1,5,139,695

Factors of 689

List of positive integer factors of 689 that divides 689 without a remainder.

1,13,53,689

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 695,689,20 . The biggest common factor number is the GCF number.
So the greatest common factor 695,689,20 is 1.

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

• GCF of 381, 651, 63
• GCF of 185, 538, 45
• GCF of 895, 660, 95
• GCF of 609, 620, 19
• GCF of 211, 421, 60

1. What is the GCF of 695, 689, 20?

Answer: GCF of 695, 689, 20 is 1.

2. How to Find the GCF of 695, 689, 20

Answer: Greatest Common Factor(GCF) of 695, 689, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(695, 689, 20) = 1.