Greatest Common Factor of 420, 972, 405

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

• Greatest Common Factor of 420, 972, 405 by common division method
• Greatest Common Factor of 420, 972, 405 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 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 972

List of positive integer factors of 972 that divides 972 without a remainder.

1,2,3,4,6,9,12,18,27,36,54,81,108,162,243,324,486,972

Factors of 405

List of positive integer factors of 405 that divides 405 without a remainder.

1,3,5,9,15,27,45,81,135,405

Greatest Common Factor

We found the factors 420,972,405 . The biggest common factor number is the GCF number.
So the greatest common factor 420,972,405 is 3.

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

• GCF of 667, 326, 220
• GCF of 442, 367, 129
• GCF of 751, 239, 191
• GCF of 208, 378, 815
• GCF of 137, 775, 300

1. What is the GCF of 420, 972, 405?

Answer: GCF of 420, 972, 405 is 3.

2. How to Find the GCF of 420, 972, 405

Answer: Greatest Common Factor(GCF) of 420, 972, 405 = 3

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

Step 2: Then multiply all the prime factors GCF(420, 972, 405) = 3.