Greatest Common Factor of 13, 42, 251

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

• Greatest Common Factor of 13, 42, 251 by common division method
• Greatest Common Factor of 13, 42, 251 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 13

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

1,13

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 251

List of positive integer factors of 251 that divides 251 without a remainder.

1,251

Greatest Common Factor

We found the factors 13,42,251 . The biggest common factor number is the GCF number.
So the greatest common factor 13,42,251 is 1.

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

• GCF of 16, 20, 865
• GCF of 71, 69, 664
• GCF of 80, 69, 724
• GCF of 48, 39, 958
• GCF of 52, 45, 625

1. What is the GCF of 13, 42, 251?

Answer: GCF of 13, 42, 251 is 1.

2. How to Find the GCF of 13, 42, 251

Answer: Greatest Common Factor(GCF) of 13, 42, 251 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 42, 251) = 1.