Greatest Common Factor of 42, 86, 315

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

• Greatest Common Factor of 42, 86, 315 by common division method
• Greatest Common Factor of 42, 86, 315 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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 315

List of positive integer factors of 315 that divides 315 without a remainder.

1,3,5,7,9,15,21,35,45,63,105,315

Greatest Common Factor

We found the factors 42,86,315 . The biggest common factor number is the GCF number.
So the greatest common factor 42,86,315 is 1.

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

• GCF of 31, 90, 405
• GCF of 86, 49, 437
• GCF of 72, 60, 520
• GCF of 31, 64, 142
• GCF of 58, 58, 786

1. What is the GCF of 42, 86, 315?

Answer: GCF of 42, 86, 315 is 1.

2. How to Find the GCF of 42, 86, 315

Answer: Greatest Common Factor(GCF) of 42, 86, 315 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 86, 315) = 1.