Greatest Common Factor of 420, 188, 138

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

• Greatest Common Factor of 420, 188, 138 by common division method
• Greatest Common Factor of 420, 188, 138 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 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

Factors of 188

List of positive integer factors of 188 that divides 188 without a remainder.

1,2,4,47,94,188

Factors of 138

List of positive integer factors of 138 that divides 138 without a remainder.

1,2,3,6,23,46,69,138

Greatest Common Factor

We found the factors 420,188,138 . The biggest common factor number is the GCF number.
So the greatest common factor 420,188,138 is 2.

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

• GCF of 291, 334, 253
• GCF of 915, 671, 187
• GCF of 918, 816, 458
• GCF of 306, 115, 891
• GCF of 616, 597, 303

1. What is the GCF of 420, 188, 138?

Answer: GCF of 420, 188, 138 is 2.

2. How to Find the GCF of 420, 188, 138

Answer: Greatest Common Factor(GCF) of 420, 188, 138 = 2

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

Step 2: Then multiply all the prime factors GCF(420, 188, 138) = 2.