Greatest Common Factor of 840, 396, 215

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

• Greatest Common Factor of 840, 396, 215 by common division method
• Greatest Common Factor of 840, 396, 215 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 396

List of positive integer factors of 396 that divides 396 without a remainder.

1,2,3,4,6,9,11,12,18,22,33,36,44,66,99,132,198,396

Factors of 215

List of positive integer factors of 215 that divides 215 without a remainder.

1,5,43,215

Greatest Common Factor

We found the factors 840,396,215 . The biggest common factor number is the GCF number.
So the greatest common factor 840,396,215 is 1.

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

• GCF of 991, 650, 412
• GCF of 927, 152, 861
• GCF of 622, 282, 879
• GCF of 461, 315, 823
• GCF of 381, 270, 408

1. What is the GCF of 840, 396, 215?

Answer: GCF of 840, 396, 215 is 1.

2. How to Find the GCF of 840, 396, 215

Answer: Greatest Common Factor(GCF) of 840, 396, 215 = 1

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

Step 2: Then multiply all the prime factors GCF(840, 396, 215) = 1.