Greatest Common Factor of 688, 389, 138

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

• Greatest Common Factor of 688, 389, 138 by common division method
• Greatest Common Factor of 688, 389, 138 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 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 389

List of positive integer factors of 389 that divides 389 without a remainder.

1,389

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 688,389,138 . The biggest common factor number is the GCF number.
So the greatest common factor 688,389,138 is 1.

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

• GCF of 481, 169, 982
• GCF of 881, 123, 728
• GCF of 670, 750, 700
• GCF of 176, 484, 320
• GCF of 408, 426, 996

1. What is the GCF of 688, 389, 138?

Answer: GCF of 688, 389, 138 is 1.

2. How to Find the GCF of 688, 389, 138

Answer: Greatest Common Factor(GCF) of 688, 389, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(688, 389, 138) = 1.