Greatest Common Factor of 21, 294, 639

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

• Greatest Common Factor of 21, 294, 639 by common division method
• Greatest Common Factor of 21, 294, 639 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 294

List of positive integer factors of 294 that divides 294 without a remainder.

1,2,3,6,7,14,21,42,49,98,147,294

Factors of 639

List of positive integer factors of 639 that divides 639 without a remainder.

1,3,9,71,213,639

Greatest Common Factor

We found the factors 21,294,639 . The biggest common factor number is the GCF number.
So the greatest common factor 21,294,639 is 3.

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

• GCF of 54, 633, 528
• GCF of 93, 109, 352
• GCF of 79, 525, 790
• GCF of 55, 782, 241
• GCF of 67, 200, 175

1. What is the GCF of 21, 294, 639?

Answer: GCF of 21, 294, 639 is 3.

2. How to Find the GCF of 21, 294, 639

Answer: Greatest Common Factor(GCF) of 21, 294, 639 = 3

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

Step 2: Then multiply all the prime factors GCF(21, 294, 639) = 3.