Greatest Common Factor of 249, 924, 21

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

• Greatest Common Factor of 249, 924, 21 by common division method
• Greatest Common Factor of 249, 924, 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 249

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

1,3,83,249

Factors of 924

List of positive integer factors of 924 that divides 924 without a remainder.

1,2,3,4,6,7,11,12,14,21,22,28,33,42,44,66,77,84,132,154,231,308,462,924

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 249,924,21 . The biggest common factor number is the GCF number.
So the greatest common factor 249,924,21 is 3.

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

• GCF of 755, 651, 71
• GCF of 717, 632, 77
• GCF of 563, 851, 42
• GCF of 321, 871, 19
• GCF of 727, 663, 81

1. What is the GCF of 249, 924, 21?

Answer: GCF of 249, 924, 21 is 3.

2. How to Find the GCF of 249, 924, 21

Answer: Greatest Common Factor(GCF) of 249, 924, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(249, 924, 21) = 3.