Greatest Common Factor of 42, 87, 315

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

• Greatest Common Factor of 42, 87, 315 by common division method
• Greatest Common Factor of 42, 87, 315 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 3 = 3

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 87

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

1,3,29,87

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 42,87,315 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,315 is 3.

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

• GCF of 67, 22, 969
• GCF of 22, 96, 177
• GCF of 13, 43, 795
• GCF of 67, 93, 518
• GCF of 39, 26, 659

1. What is the GCF of 42, 87, 315?

Answer: GCF of 42, 87, 315 is 3.

2. How to Find the GCF of 42, 87, 315

Answer: Greatest Common Factor(GCF) of 42, 87, 315 = 3

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

Step 2: Then multiply all the prime factors GCF(42, 87, 315) = 3.