Greatest Common Factor of 21, 525, 249

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

• Greatest Common Factor of 21, 525, 249 by common division method
• Greatest Common Factor of 21, 525, 249 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 21

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

1,3,7,21

Factors of 525

List of positive integer factors of 525 that divides 525 without a remainder.

1,3,5,7,15,21,25,35,75,105,175,525

Factors of 249

List of positive integer factors of 249 that divides 249 without a remainder.

1,3,83,249

Greatest Common Factor

We found the factors 21,525,249 . The biggest common factor number is the GCF number.
So the greatest common factor 21,525,249 is 3.

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

• GCF of 71, 402, 451
• GCF of 98, 918, 119
• GCF of 23, 706, 568
• GCF of 92, 368, 230
• GCF of 51, 667, 620

1. What is the GCF of 21, 525, 249?

Answer: GCF of 21, 525, 249 is 3.

2. How to Find the GCF of 21, 525, 249

Answer: Greatest Common Factor(GCF) of 21, 525, 249 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 525, 249) = 3.