Greatest Common Factor of 621, 412, 18

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

• Greatest Common Factor of 621, 412, 18 by common division method
• Greatest Common Factor of 621, 412, 18 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 621

List of positive integer factors of 621 that divides 621 without a remainder.

1,3,9,23,27,69,207,621

Factors of 412

List of positive integer factors of 412 that divides 412 without a remainder.

1,2,4,103,206,412

Factors of 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Greatest Common Factor

We found the factors 621,412,18 . The biggest common factor number is the GCF number.
So the greatest common factor 621,412,18 is 1.

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

• GCF of 833, 868, 72
• GCF of 149, 651, 95
• GCF of 218, 851, 89
• GCF of 774, 398, 53
• GCF of 687, 973, 74

1. What is the GCF of 621, 412, 18?

Answer: GCF of 621, 412, 18 is 1.

2. How to Find the GCF of 621, 412, 18

Answer: Greatest Common Factor(GCF) of 621, 412, 18 = 1

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

Step 2: Then multiply all the prime factors GCF(621, 412, 18) = 1.