Greatest Common Factor of 120, 646, 391

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

• Greatest Common Factor of 120, 646, 391 by common division method
• Greatest Common Factor of 120, 646, 391 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

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 391

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

1,17,23,391

Greatest Common Factor

We found the factors 120,646,391 . The biggest common factor number is the GCF number.
So the greatest common factor 120,646,391 is 1.

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

• GCF of 943, 210, 419
• GCF of 777, 699, 226
• GCF of 211, 115, 217
• GCF of 485, 221, 524
• GCF of 363, 261, 698

1. What is the GCF of 120, 646, 391?

Answer: GCF of 120, 646, 391 is 1.

2. How to Find the GCF of 120, 646, 391

Answer: Greatest Common Factor(GCF) of 120, 646, 391 = 1

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

Step 2: Then multiply all the prime factors GCF(120, 646, 391) = 1.