Greatest Common Factor of 90, 688, 420

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

• Greatest Common Factor of 90, 688, 420 by common division method
• Greatest Common Factor of 90, 688, 420 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 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 90,688,420 . The biggest common factor number is the GCF number.
So the greatest common factor 90,688,420 is 2.

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

• GCF of 41, 265, 283
• GCF of 84, 936, 893
• GCF of 38, 462, 193
• GCF of 15, 559, 523
• GCF of 35, 503, 530

1. What is the GCF of 90, 688, 420?

Answer: GCF of 90, 688, 420 is 2.

2. How to Find the GCF of 90, 688, 420

Answer: Greatest Common Factor(GCF) of 90, 688, 420 = 2

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

Step 2: Then multiply all the prime factors GCF(90, 688, 420) = 2.