Greatest Common Factor of 840, 855, 147

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

• Greatest Common Factor of 840, 855, 147 by common division method
• Greatest Common Factor of 840, 855, 147 with matching the biggest common factor

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

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

Factors of 855

List of positive integer factors of 855 that divides 855 without a remainder.

1,3,5,9,15,19,45,57,95,171,285,855

Factors of 147

List of positive integer factors of 147 that divides 147 without a remainder.

1,3,7,21,49,147

Greatest Common Factor

We found the factors 840,855,147 . The biggest common factor number is the GCF number.
So the greatest common factor 840,855,147 is 3.

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

• GCF of 606, 303, 554
• GCF of 237, 207, 240
• GCF of 558, 310, 526
• GCF of 634, 297, 811
• GCF of 885, 829, 785

1. What is the GCF of 840, 855, 147?

Answer: GCF of 840, 855, 147 is 3.

2. How to Find the GCF of 840, 855, 147

Answer: Greatest Common Factor(GCF) of 840, 855, 147 = 3

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

Step 2: Then multiply all the prime factors GCF(840, 855, 147) = 3.