Greatest Common Factor of 621, 765, 648

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

• Greatest Common Factor of 621, 765, 648 by common division method
• Greatest Common Factor of 621, 765, 648 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 3 = 9

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 765

List of positive integer factors of 765 that divides 765 without a remainder.

1,3,5,9,15,17,45,51,85,153,255,765

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Greatest Common Factor

We found the factors 621,765,648 . The biggest common factor number is the GCF number.
So the greatest common factor 621,765,648 is 9.

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

• GCF of 494, 695, 682
• GCF of 665, 334, 972
• GCF of 634, 860, 857
• GCF of 170, 812, 514
• GCF of 177, 909, 182

1. What is the GCF of 621, 765, 648?

Answer: GCF of 621, 765, 648 is 9.

2. How to Find the GCF of 621, 765, 648

Answer: Greatest Common Factor(GCF) of 621, 765, 648 = 9

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

Step 2: Then multiply all the prime factors GCF(621, 765, 648) = 9.