Greatest Common Factor of 756, 870, 45

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

• Greatest Common Factor of 756, 870, 45 by common division method
• Greatest Common Factor of 756, 870, 45 with matching the biggest common factor

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

Factors of 756

List of positive integer factors of 756 that divides 756 without a remainder.

1,2,3,4,6,7,9,12,14,18,21,27,28,36,42,54,63,84,108,126,189,252,378,756

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Factors of 45

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

1,3,5,9,15,45

Greatest Common Factor

We found the factors 756,870,45 . The biggest common factor number is the GCF number.
So the greatest common factor 756,870,45 is 3.

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

• GCF of 918, 756, 15
• GCF of 547, 798, 91
• GCF of 317, 142, 93
• GCF of 275, 581, 49
• GCF of 213, 149, 19

1. What is the GCF of 756, 870, 45?

Answer: GCF of 756, 870, 45 is 3.

2. How to Find the GCF of 756, 870, 45

Answer: Greatest Common Factor(GCF) of 756, 870, 45 = 3

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

Step 2: Then multiply all the prime factors GCF(756, 870, 45) = 3.