Greatest Common Factor of 245, 371, 21

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

• Greatest Common Factor of 245, 371, 21 by common division method
• Greatest Common Factor of 245, 371, 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 7 = 7

Factors of 245

List of positive integer factors of 245 that divides 245 without a remainder.

1,5,7,35,49,245

Factors of 371

List of positive integer factors of 371 that divides 371 without a remainder.

1,7,53,371

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 245,371,21 . The biggest common factor number is the GCF number.
So the greatest common factor 245,371,21 is 7.

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

• GCF of 101, 362, 49
• GCF of 579, 456, 55
• GCF of 109, 273, 11
• GCF of 577, 773, 57
• GCF of 680, 412, 56

1. What is the GCF of 245, 371, 21?

Answer: GCF of 245, 371, 21 is 7.

2. How to Find the GCF of 245, 371, 21

Answer: Greatest Common Factor(GCF) of 245, 371, 21 = 7

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

Step 2: Then multiply all the prime factors GCF(245, 371, 21) = 7.