Greatest Common Factor of 21, 75, 273

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

• Greatest Common Factor of 21, 75, 273 by common division method
• Greatest Common Factor of 21, 75, 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

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 21,75,273 . The biggest common factor number is the GCF number.
So the greatest common factor 21,75,273 is 3.

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

• GCF of 34, 16, 929
• GCF of 49, 78, 915
• GCF of 27, 85, 314
• GCF of 32, 59, 436
• GCF of 56, 46, 162

1. What is the GCF of 21, 75, 273?

Answer: GCF of 21, 75, 273 is 3.

2. How to Find the GCF of 21, 75, 273

Answer: Greatest Common Factor(GCF) of 21, 75, 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, 75, 273) = 3.