Greatest Common Factor of 815, 270, 840

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

• Greatest Common Factor of 815, 270, 840 by common division method
• Greatest Common Factor of 815, 270, 840 with matching the biggest common factor

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∴ So the GCF of the given numbers is 5 = 5

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Factors of 270

List of positive integer factors of 270 that divides 270 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,90,135,270

Factors of 840

List of positive integer factors of 840 that divides 840 without a remainder.

1,2,3,4,5,6,7,8,10,12,14,15,20,21,24,28,30,35,40,42,56,60,70,84,105,120,140,168,210,280,420,840

Greatest Common Factor

We found the factors 815,270,840 . The biggest common factor number is the GCF number.
So the greatest common factor 815,270,840 is 5.

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

• GCF of 972, 956, 122
• GCF of 869, 540, 814
• GCF of 544, 399, 660
• GCF of 641, 800, 250
• GCF of 610, 350, 572

1. What is the GCF of 815, 270, 840?

Answer: GCF of 815, 270, 840 is 5.

2. How to Find the GCF of 815, 270, 840

Answer: Greatest Common Factor(GCF) of 815, 270, 840 = 5

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

Step 2: Then multiply all the prime factors GCF(815, 270, 840) = 5.