Greatest Common Factor of 391, 646, 85

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

• Greatest Common Factor of 391, 646, 85 by common division method
• Greatest Common Factor of 391, 646, 85 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 17 = 17

Factors of 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

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 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Greatest Common Factor

We found the factors 391,646,85 . The biggest common factor number is the GCF number.
So the greatest common factor 391,646,85 is 17.

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

• GCF of 361, 247, 18
• GCF of 341, 281, 20
• GCF of 706, 231, 43
• GCF of 567, 895, 48
• GCF of 162, 782, 18

1. What is the GCF of 391, 646, 85?

Answer: GCF of 391, 646, 85 is 17.

2. How to Find the GCF of 391, 646, 85

Answer: Greatest Common Factor(GCF) of 391, 646, 85 = 17

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

Step 2: Then multiply all the prime factors GCF(391, 646, 85) = 17.