Greatest Common Factor of 156, 258, 646, 20

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

• Greatest Common Factor of 156, 258, 646, 20 by common division method
• Greatest Common Factor of 156, 258, 646, 20 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 = 2

Factors of 156

List of positive integer factors of 156 that divides 156 without a remainder.

1,2,3,4,6,12,13,26,39,52,78,156

Factors of 258

List of positive integer factors of 258 that divides 258 without a remainder.

1,2,3,6,43,86,129,258

Factors of 646

List of positive integer factors of 646 that divides 646 without a remainder.

1,2,17,19,34,38,323,646

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Greatest Common Factor

We found the factors 156,258,646,20 . The biggest common factor number is the GCF number.
So the greatest common factor 156,258,646,20 is 2.

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

• GCF of 523, 440, 853, 83
• GCF of 430, 844, 762, 49
• GCF of 945, 705, 721, 76
• GCF of 492, 407, 598, 49
• GCF of 876, 991, 374, 71

1. What is the GCF of 156, 258, 646, 20?

Answer: GCF of 156, 258, 646, 20 is 2.

2. How to Find the GCF of 156, 258, 646, 20

Answer: Greatest Common Factor(GCF) of 156, 258, 646, 20 = 2

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

Step 2: Then multiply all the prime factors GCF(156, 258, 646, 20) = 2.