Greatest Common Factor of 172, 555, 138

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

• Greatest Common Factor of 172, 555, 138 by common division method
• Greatest Common Factor of 172, 555, 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 172

List of positive integer factors of 172 that divides 172 without a remainder.

1,2,4,43,86,172

Factors of 555

List of positive integer factors of 555 that divides 555 without a remainder.

1,3,5,15,37,111,185,555

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 172,555,138 . The biggest common factor number is the GCF number.
So the greatest common factor 172,555,138 is 1.

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

• GCF of 120, 147, 355
• GCF of 768, 381, 934
• GCF of 856, 188, 594
• GCF of 996, 989, 415
• GCF of 851, 134, 418

1. What is the GCF of 172, 555, 138?

Answer: GCF of 172, 555, 138 is 1.

2. How to Find the GCF of 172, 555, 138

Answer: Greatest Common Factor(GCF) of 172, 555, 138 = 1

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

Step 2: Then multiply all the prime factors GCF(172, 555, 138) = 1.