Greatest Common Factor of 30, 828, 420

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

• Greatest Common Factor of 30, 828, 420 by common division method
• Greatest Common Factor of 30, 828, 420 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

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 828

List of positive integer factors of 828 that divides 828 without a remainder.

1,2,3,4,6,9,12,18,23,36,46,69,92,138,207,276,414,828

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 30,828,420 . The biggest common factor number is the GCF number.
So the greatest common factor 30,828,420 is 6.

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

• GCF of 17, 950, 472
• GCF of 13, 764, 978
• GCF of 79, 542, 336
• GCF of 15, 934, 700
• GCF of 77, 395, 781

1. What is the GCF of 30, 828, 420?

Answer: GCF of 30, 828, 420 is 6.

2. How to Find the GCF of 30, 828, 420

Answer: Greatest Common Factor(GCF) of 30, 828, 420 = 6

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

Step 2: Then multiply all the prime factors GCF(30, 828, 420) = 6.