Greatest Common Factor of 639, 780, 669

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

• Greatest Common Factor of 639, 780, 669 by common division method
• Greatest Common Factor of 639, 780, 669 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 639

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

1,3,9,71,213,639

Factors of 780

List of positive integer factors of 780 that divides 780 without a remainder.

1,2,3,4,5,6,10,12,13,15,20,26,30,39,52,60,65,78,130,156,195,260,390,780

Factors of 669

List of positive integer factors of 669 that divides 669 without a remainder.

1,3,223,669

Greatest Common Factor

We found the factors 639,780,669 . The biggest common factor number is the GCF number.
So the greatest common factor 639,780,669 is 3.

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

• GCF of 549, 885, 540
• GCF of 878, 456, 437
• GCF of 308, 437, 838
• GCF of 763, 265, 754
• GCF of 827, 756, 257

1. What is the GCF of 639, 780, 669?

Answer: GCF of 639, 780, 669 is 3.

2. How to Find the GCF of 639, 780, 669

Answer: Greatest Common Factor(GCF) of 639, 780, 669 = 3

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

Step 2: Then multiply all the prime factors GCF(639, 780, 669) = 3.