Greatest Common Factor of 42, 51, 15, 518

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

• Greatest Common Factor of 42, 51, 15, 518 by common division method
• Greatest Common Factor of 42, 51, 15, 518 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 42

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

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

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 518

List of positive integer factors of 518 that divides 518 without a remainder.

1,2,7,14,37,74,259,518

Greatest Common Factor

We found the factors 42,51,15,518 . The biggest common factor number is the GCF number.
So the greatest common factor 42,51,15,518 is 1.

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

• GCF of 39, 19, 36, 180
• GCF of 61, 52, 84, 212
• GCF of 88, 75, 79, 881
• GCF of 52, 74, 74, 309
• GCF of 62, 28, 11, 500

1. What is the GCF of 42, 51, 15, 518?

Answer: GCF of 42, 51, 15, 518 is 1.

2. How to Find the GCF of 42, 51, 15, 518

Answer: Greatest Common Factor(GCF) of 42, 51, 15, 518 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 51, 15, 518) = 1.