Greatest Common Factor of 627, 387, 21

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

• Greatest Common Factor of 627, 387, 21 by common division method
• Greatest Common Factor of 627, 387, 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 627

List of positive integer factors of 627 that divides 627 without a remainder.

1,3,11,19,33,57,209,627

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

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 627,387,21 . The biggest common factor number is the GCF number.
So the greatest common factor 627,387,21 is 3.

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

• GCF of 265, 826, 58
• GCF of 582, 537, 32
• GCF of 643, 624, 66
• GCF of 313, 191, 77
• GCF of 338, 639, 41

1. What is the GCF of 627, 387, 21?

Answer: GCF of 627, 387, 21 is 3.

2. How to Find the GCF of 627, 387, 21

Answer: Greatest Common Factor(GCF) of 627, 387, 21 = 3

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

Step 2: Then multiply all the prime factors GCF(627, 387, 21) = 3.