Greatest Common Factor of 90, 64, 840

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

• Greatest Common Factor of 90, 64, 840 by common division method
• Greatest Common Factor of 90, 64, 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 = 2

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

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 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 90,64,840 . The biggest common factor number is the GCF number.
So the greatest common factor 90,64,840 is 2.

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

• GCF of 43, 38, 327
• GCF of 37, 39, 390
• GCF of 25, 43, 188
• GCF of 46, 26, 550
• GCF of 65, 74, 383

1. What is the GCF of 90, 64, 840?

Answer: GCF of 90, 64, 840 is 2.

2. How to Find the GCF of 90, 64, 840

Answer: Greatest Common Factor(GCF) of 90, 64, 840 = 2

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

Step 2: Then multiply all the prime factors GCF(90, 64, 840) = 2.