Greatest Common Factor of 72, 45, 687

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

• Greatest Common Factor of 72, 45, 687 by common division method
• Greatest Common Factor of 72, 45, 687 with matching the biggest common factor

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

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 45

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

1,3,5,9,15,45

Factors of 687

List of positive integer factors of 687 that divides 687 without a remainder.

1,3,229,687

Greatest Common Factor

We found the factors 72,45,687 . The biggest common factor number is the GCF number.
So the greatest common factor 72,45,687 is 3.

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

• GCF of 95, 36, 421
• GCF of 87, 23, 152
• GCF of 23, 97, 312
• GCF of 28, 39, 361
• GCF of 63, 97, 522

1. What is the GCF of 72, 45, 687?

Answer: GCF of 72, 45, 687 is 3.

2. How to Find the GCF of 72, 45, 687

Answer: Greatest Common Factor(GCF) of 72, 45, 687 = 3

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

Step 2: Then multiply all the prime factors GCF(72, 45, 687) = 3.