Greatest Common Factor of 21, 249, 273

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

• Greatest Common Factor of 21, 249, 273 by common division method
• Greatest Common Factor of 21, 249, 273 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 249

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

1,3,83,249

Factors of 273

List of positive integer factors of 273 that divides 273 without a remainder.

1,3,7,13,21,39,91,273

Greatest Common Factor

We found the factors 21,249,273 . The biggest common factor number is the GCF number.
So the greatest common factor 21,249,273 is 3.

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

• GCF of 73, 950, 454
• GCF of 45, 564, 756
• GCF of 70, 806, 500
• GCF of 76, 932, 398
• GCF of 53, 159, 421

1. What is the GCF of 21, 249, 273?

Answer: GCF of 21, 249, 273 is 3.

2. How to Find the GCF of 21, 249, 273

Answer: Greatest Common Factor(GCF) of 21, 249, 273 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 249, 273) = 3.