Greatest Common Factor of 91, 21, 315

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

• Greatest Common Factor of 91, 21, 315 by common division method
• Greatest Common Factor of 91, 21, 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 7 = 7

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 21

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

1,3,7,21

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 91,21,315 . The biggest common factor number is the GCF number.
So the greatest common factor 91,21,315 is 7.

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

• GCF of 30, 90, 948
• GCF of 11, 92, 725
• GCF of 72, 51, 488
• GCF of 46, 35, 390
• GCF of 98, 88, 777

1. What is the GCF of 91, 21, 315?

Answer: GCF of 91, 21, 315 is 7.

2. How to Find the GCF of 91, 21, 315

Answer: Greatest Common Factor(GCF) of 91, 21, 315 = 7

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

Step 2: Then multiply all the prime factors GCF(91, 21, 315) = 7.