Greatest Common Factor of 621, 345, 64

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

• Greatest Common Factor of 621, 345, 64 by common division method
• Greatest Common Factor of 621, 345, 64 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 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Greatest Common Factor

We found the factors 621,345,64 . The biggest common factor number is the GCF number.
So the greatest common factor 621,345,64 is 1.

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

• GCF of 506, 842, 79
• GCF of 158, 108, 17
• GCF of 139, 867, 68
• GCF of 630, 351, 49
• GCF of 370, 730, 25

1. What is the GCF of 621, 345, 64?

Answer: GCF of 621, 345, 64 is 1.

2. How to Find the GCF of 621, 345, 64

Answer: Greatest Common Factor(GCF) of 621, 345, 64 = 1

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

Step 2: Then multiply all the prime factors GCF(621, 345, 64) = 1.