Greatest Common Factor of 99, 90, 840

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

• Greatest Common Factor of 99, 90, 840 by common division method
• Greatest Common Factor of 99, 90, 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 3 = 3

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

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 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 99,90,840 . The biggest common factor number is the GCF number.
So the greatest common factor 99,90,840 is 3.

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

• GCF of 86, 20, 749
• GCF of 21, 72, 542
• GCF of 80, 69, 431
• GCF of 87, 26, 543
• GCF of 17, 30, 529

1. What is the GCF of 99, 90, 840?

Answer: GCF of 99, 90, 840 is 3.

2. How to Find the GCF of 99, 90, 840

Answer: Greatest Common Factor(GCF) of 99, 90, 840 = 3

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

Step 2: Then multiply all the prime factors GCF(99, 90, 840) = 3.