Greatest Common Factor of 915, 492, 21

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

• Greatest Common Factor of 915, 492, 21 by common division method
• Greatest Common Factor of 915, 492, 21 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 915

List of positive integer factors of 915 that divides 915 without a remainder.

1,3,5,15,61,183,305,915

Factors of 492

List of positive integer factors of 492 that divides 492 without a remainder.

1,2,3,4,6,12,41,82,123,164,246,492

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Greatest Common Factor

We found the factors 915,492,21 . The biggest common factor number is the GCF number.
So the greatest common factor 915,492,21 is 3.

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

• GCF of 678, 244, 50
• GCF of 548, 319, 65
• GCF of 450, 271, 28
• GCF of 792, 292, 95
• GCF of 233, 801, 89

1. What is the GCF of 915, 492, 21?

Answer: GCF of 915, 492, 21 is 3.

2. How to Find the GCF of 915, 492, 21

Answer: Greatest Common Factor(GCF) of 915, 492, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(915, 492, 21) = 3.