Greatest Common Factor of 645, 387, 774

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

• Greatest Common Factor of 645, 387, 774 by common division method
• Greatest Common Factor of 645, 387, 774 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 43 = 129

Factors of 645

List of positive integer factors of 645 that divides 645 without a remainder.

1,3,5,15,43,129,215,645

Factors of 387

List of positive integer factors of 387 that divides 387 without a remainder.

1,3,9,43,129,387

Factors of 774

List of positive integer factors of 774 that divides 774 without a remainder.

1,2,3,6,9,18,43,86,129,258,387,774

Greatest Common Factor

We found the factors 645,387,774 . The biggest common factor number is the GCF number.
So the greatest common factor 645,387,774 is 129.

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

• GCF of 509, 808, 815
• GCF of 245, 546, 993
• GCF of 718, 283, 752
• GCF of 525, 338, 536
• GCF of 578, 175, 750

1. What is the GCF of 645, 387, 774?

Answer: GCF of 645, 387, 774 is 129.

2. How to Find the GCF of 645, 387, 774

Answer: Greatest Common Factor(GCF) of 645, 387, 774 = 129

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

Step 2: Then multiply all the prime factors GCF(645, 387, 774) = 129.