Greatest Common Factor of 870, 825, 690

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

• Greatest Common Factor of 870, 825, 690 by common division method
• Greatest Common Factor of 870, 825, 690 with matching the biggest common factor

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

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 825

List of positive integer factors of 825 that divides 825 without a remainder.

1,3,5,11,15,25,33,55,75,165,275,825

Factors of 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Greatest Common Factor

We found the factors 870,825,690 . The biggest common factor number is the GCF number.
So the greatest common factor 870,825,690 is 15.

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

• GCF of 246, 575, 524
• GCF of 264, 186, 310
• GCF of 963, 680, 688
• GCF of 410, 944, 380
• GCF of 472, 861, 532

1. What is the GCF of 870, 825, 690?

Answer: GCF of 870, 825, 690 is 15.

2. How to Find the GCF of 870, 825, 690

Answer: Greatest Common Factor(GCF) of 870, 825, 690 = 15

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

Step 2: Then multiply all the prime factors GCF(870, 825, 690) = 15.