Greatest Common Factor of 621, 78, 51

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

• Greatest Common Factor of 621, 78, 51 by common division method
• Greatest Common Factor of 621, 78, 51 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 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 621,78,51 . The biggest common factor number is the GCF number.
So the greatest common factor 621,78,51 is 3.

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

• GCF of 745, 45, 79
• GCF of 353, 54, 61
• GCF of 695, 75, 65
• GCF of 280, 97, 52
• GCF of 575, 43, 75

1. What is the GCF of 621, 78, 51?

Answer: GCF of 621, 78, 51 is 3.

2. How to Find the GCF of 621, 78, 51

Answer: Greatest Common Factor(GCF) of 621, 78, 51 = 3

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

Step 2: Then multiply all the prime factors GCF(621, 78, 51) = 3.