Greatest Common Factor of 64, 68, 840

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

• Greatest Common Factor of 64, 68, 840 by common division method
• Greatest Common Factor of 64, 68, 840 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 2 x 2 = 4

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

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 64,68,840 . The biggest common factor number is the GCF number.
So the greatest common factor 64,68,840 is 4.

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

• GCF of 38, 28, 873
• GCF of 61, 14, 200
• GCF of 79, 51, 643
• GCF of 23, 46, 443
• GCF of 41, 81, 650

1. What is the GCF of 64, 68, 840?

Answer: GCF of 64, 68, 840 is 4.

2. How to Find the GCF of 64, 68, 840

Answer: Greatest Common Factor(GCF) of 64, 68, 840 = 4

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

Step 2: Then multiply all the prime factors GCF(64, 68, 840) = 4.