Greatest Common Factor of 840, 858, 345

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

• Greatest Common Factor of 840, 858, 345 by common division method
• Greatest Common Factor of 840, 858, 345 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 858

List of positive integer factors of 858 that divides 858 without a remainder.

1,2,3,6,11,13,22,26,33,39,66,78,143,286,429,858

Factors of 345

List of positive integer factors of 345 that divides 345 without a remainder.

1,3,5,15,23,69,115,345

Greatest Common Factor

We found the factors 840,858,345 . The biggest common factor number is the GCF number.
So the greatest common factor 840,858,345 is 3.

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

• GCF of 459, 404, 959
• GCF of 198, 799, 803
• GCF of 699, 779, 279
• GCF of 262, 940, 845
• GCF of 513, 697, 390

1. What is the GCF of 840, 858, 345?

Answer: GCF of 840, 858, 345 is 3.

2. How to Find the GCF of 840, 858, 345

Answer: Greatest Common Factor(GCF) of 840, 858, 345 = 3

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

Step 2: Then multiply all the prime factors GCF(840, 858, 345) = 3.