Greatest Common Factor of 668, 654, 138

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

• Greatest Common Factor of 668, 654, 138 by common division method
• Greatest Common Factor of 668, 654, 138 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 = 2

Factors of 668

List of positive integer factors of 668 that divides 668 without a remainder.

1,2,4,167,334,668

Factors of 654

List of positive integer factors of 654 that divides 654 without a remainder.

1,2,3,6,109,218,327,654

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 668,654,138 . The biggest common factor number is the GCF number.
So the greatest common factor 668,654,138 is 2.

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

• GCF of 678, 894, 706
• GCF of 915, 965, 583
• GCF of 747, 274, 274
• GCF of 640, 177, 548
• GCF of 714, 218, 356

1. What is the GCF of 668, 654, 138?

Answer: GCF of 668, 654, 138 is 2.

2. How to Find the GCF of 668, 654, 138

Answer: Greatest Common Factor(GCF) of 668, 654, 138 = 2

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

Step 2: Then multiply all the prime factors GCF(668, 654, 138) = 2.