Greatest Common Factor of 621, 972, 399

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

• Greatest Common Factor of 621, 972, 399 by common division method
• Greatest Common Factor of 621, 972, 399 with matching the biggest common factor

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

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 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1,3,7,19,21,57,133,399

Greatest Common Factor

We found the factors 621,972,399 . The biggest common factor number is the GCF number.
So the greatest common factor 621,972,399 is 3.

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

• GCF of 975, 454, 654
• GCF of 509, 891, 624
• GCF of 218, 508, 469
• GCF of 876, 861, 269
• GCF of 872, 661, 150

1. What is the GCF of 621, 972, 399?

Answer: GCF of 621, 972, 399 is 3.

2. How to Find the GCF of 621, 972, 399

Answer: Greatest Common Factor(GCF) of 621, 972, 399 = 3

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

Step 2: Then multiply all the prime factors GCF(621, 972, 399) = 3.