Greatest Common Factor of 680, 168, 644

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

• Greatest Common Factor of 680, 168, 644 by common division method
• Greatest Common Factor of 680, 168, 644 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 = 4

Factors of 680

List of positive integer factors of 680 that divides 680 without a remainder.

1,2,4,5,8,10,17,20,34,40,68,85,136,170,340,680

Factors of 168

List of positive integer factors of 168 that divides 168 without a remainder.

1,2,3,4,6,7,8,12,14,21,24,28,42,56,84,168

Factors of 644

List of positive integer factors of 644 that divides 644 without a remainder.

1,2,4,7,14,23,28,46,92,161,322,644

Greatest Common Factor

We found the factors 680,168,644 . The biggest common factor number is the GCF number.
So the greatest common factor 680,168,644 is 4.

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

• GCF of 284, 456, 132
• GCF of 753, 128, 525
• GCF of 316, 758, 461
• GCF of 179, 583, 520
• GCF of 484, 285, 707

1. What is the GCF of 680, 168, 644?

Answer: GCF of 680, 168, 644 is 4.

2. How to Find the GCF of 680, 168, 644

Answer: Greatest Common Factor(GCF) of 680, 168, 644 = 4

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

Step 2: Then multiply all the prime factors GCF(680, 168, 644) = 4.