Greatest Common Factor of 117, 642, 13

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

• Greatest Common Factor of 117, 642, 13 by common division method
• Greatest Common Factor of 117, 642, 13 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 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Greatest Common Factor

We found the factors 117,642,13 . The biggest common factor number is the GCF number.
So the greatest common factor 117,642,13 is 1.

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

• GCF of 328, 594, 68
• GCF of 149, 590, 54
• GCF of 274, 462, 70
• GCF of 839, 385, 81
• GCF of 863, 322, 11

1. What is the GCF of 117, 642, 13?

Answer: GCF of 117, 642, 13 is 1.

2. How to Find the GCF of 117, 642, 13

Answer: Greatest Common Factor(GCF) of 117, 642, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(117, 642, 13) = 1.