Greatest Common Factor of 491, 155, 620

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

• Greatest Common Factor of 491, 155, 620 by common division method
• Greatest Common Factor of 491, 155, 620 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 491

List of positive integer factors of 491 that divides 491 without a remainder.

1,491

Factors of 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 620

List of positive integer factors of 620 that divides 620 without a remainder.

1,2,4,5,10,20,31,62,124,155,310,620

Greatest Common Factor

We found the factors 491,155,620 . The biggest common factor number is the GCF number.
So the greatest common factor 491,155,620 is 1.

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

• GCF of 154, 143, 984
• GCF of 542, 276, 859
• GCF of 359, 133, 518
• GCF of 384, 832, 514
• GCF of 840, 569, 968

1. What is the GCF of 491, 155, 620?

Answer: GCF of 491, 155, 620 is 1.

2. How to Find the GCF of 491, 155, 620

Answer: Greatest Common Factor(GCF) of 491, 155, 620 = 1

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

Step 2: Then multiply all the prime factors GCF(491, 155, 620) = 1.