Greatest Common Factor of 72, 69, 51, 639

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

• Greatest Common Factor of 72, 69, 51, 639 by common division method
• Greatest Common Factor of 72, 69, 51, 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 69

List of positive integer factors of 69 that divides 69 without a remainder.

1,3,23,69

Factors of 51

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

1,3,17,51

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 72,69,51,639 . The biggest common factor number is the GCF number.
So the greatest common factor 72,69,51,639 is 3.

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

• GCF of 96, 14, 32, 510
• GCF of 52, 58, 99, 384
• GCF of 56, 68, 71, 487
• GCF of 64, 68, 33, 784
• GCF of 77, 89, 31, 389

1. What is the GCF of 72, 69, 51, 639?

Answer: GCF of 72, 69, 51, 639 is 3.

2. How to Find the GCF of 72, 69, 51, 639

Answer: Greatest Common Factor(GCF) of 72, 69, 51, 639 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 69, 51, 639) = 3.