Greatest Common Factor of 621, 428, 693

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

• Greatest Common Factor of 621, 428, 693 by common division method
• Greatest Common Factor of 621, 428, 693 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 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Factors of 693

List of positive integer factors of 693 that divides 693 without a remainder.

1,3,7,9,11,21,33,63,77,99,231,693

Greatest Common Factor

We found the factors 621,428,693 . The biggest common factor number is the GCF number.
So the greatest common factor 621,428,693 is 1.

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

• GCF of 390, 216, 638
• GCF of 357, 385, 323
• GCF of 734, 930, 835
• GCF of 812, 793, 821
• GCF of 562, 990, 125

1. What is the GCF of 621, 428, 693?

Answer: GCF of 621, 428, 693 is 1.

2. How to Find the GCF of 621, 428, 693

Answer: Greatest Common Factor(GCF) of 621, 428, 693 = 1

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

Step 2: Then multiply all the prime factors GCF(621, 428, 693) = 1.