Greatest Common Factor of 45, 375, 645

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

• Greatest Common Factor of 45, 375, 645 by common division method
• Greatest Common Factor of 45, 375, 645 with matching the biggest common factor

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∴ So the GCF of the given numbers is 3 x 5 = 15

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 375

List of positive integer factors of 375 that divides 375 without a remainder.

1,3,5,15,25,75,125,375

Factors of 645

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

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

Greatest Common Factor

We found the factors 45,375,645 . The biggest common factor number is the GCF number.
So the greatest common factor 45,375,645 is 15.

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

• GCF of 17, 184, 207
• GCF of 29, 180, 349
• GCF of 34, 274, 725
• GCF of 61, 989, 547
• GCF of 58, 787, 811

1. What is the GCF of 45, 375, 645?

Answer: GCF of 45, 375, 645 is 15.

2. How to Find the GCF of 45, 375, 645

Answer: Greatest Common Factor(GCF) of 45, 375, 645 = 15

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

Step 2: Then multiply all the prime factors GCF(45, 375, 645) = 15.