Greatest Common Factor of 87, 13, 638

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

• Greatest Common Factor of 87, 13, 638 by common division method
• Greatest Common Factor of 87, 13, 638 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 13

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

1,13

Factors of 638

List of positive integer factors of 638 that divides 638 without a remainder.

1,2,11,22,29,58,319,638

Greatest Common Factor

We found the factors 87,13,638 . The biggest common factor number is the GCF number.
So the greatest common factor 87,13,638 is 1.

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

• GCF of 12, 84, 451
• GCF of 72, 27, 820
• GCF of 56, 36, 857
• GCF of 99, 31, 265
• GCF of 11, 35, 607

1. What is the GCF of 87, 13, 638?

Answer: GCF of 87, 13, 638 is 1.

2. How to Find the GCF of 87, 13, 638

Answer: Greatest Common Factor(GCF) of 87, 13, 638 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 13, 638) = 1.