Greatest Common Factor of 42, 15, 370

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

• Greatest Common Factor of 42, 15, 370 by common division method
• Greatest Common Factor of 42, 15, 370 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 15

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

1,3,5,15

Factors of 370

List of positive integer factors of 370 that divides 370 without a remainder.

1,2,5,10,37,74,185,370

Greatest Common Factor

We found the factors 42,15,370 . The biggest common factor number is the GCF number.
So the greatest common factor 42,15,370 is 1.

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

• GCF of 63, 44, 501
• GCF of 34, 82, 961
• GCF of 33, 18, 327
• GCF of 95, 15, 496
• GCF of 34, 38, 237

1. What is the GCF of 42, 15, 370?

Answer: GCF of 42, 15, 370 is 1.

2. How to Find the GCF of 42, 15, 370

Answer: Greatest Common Factor(GCF) of 42, 15, 370 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 15, 370) = 1.