Greatest Common Factor of 24, 12, 840

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

• Greatest Common Factor of 24, 12, 840 by common division method
• Greatest Common Factor of 24, 12, 840 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 2 x 3 = 12

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

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 24,12,840 . The biggest common factor number is the GCF number.
So the greatest common factor 24,12,840 is 12.

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

• GCF of 33, 87, 329
• GCF of 21, 43, 259
• GCF of 78, 82, 233
• GCF of 97, 96, 848
• GCF of 22, 78, 584

1. What is the GCF of 24, 12, 840?

Answer: GCF of 24, 12, 840 is 12.

2. How to Find the GCF of 24, 12, 840

Answer: Greatest Common Factor(GCF) of 24, 12, 840 = 12

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

Step 2: Then multiply all the prime factors GCF(24, 12, 840) = 12.