Greatest Common Factor of 30, 417, 420

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

• Greatest Common Factor of 30, 417, 420 by common division method
• Greatest Common Factor of 30, 417, 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 3 = 3

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 417

List of positive integer factors of 417 that divides 417 without a remainder.

1,3,139,417

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 30,417,420 . The biggest common factor number is the GCF number.
So the greatest common factor 30,417,420 is 3.

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

• GCF of 19, 816, 683
• GCF of 95, 109, 110
• GCF of 98, 508, 246
• GCF of 39, 889, 871
• GCF of 30, 399, 497

1. What is the GCF of 30, 417, 420?

Answer: GCF of 30, 417, 420 is 3.

2. How to Find the GCF of 30, 417, 420

Answer: Greatest Common Factor(GCF) of 30, 417, 420 = 3

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

Step 2: Then multiply all the prime factors GCF(30, 417, 420) = 3.