Greatest Common Factor of 420, 122, 819

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

• Greatest Common Factor of 420, 122, 819 by common division method
• Greatest Common Factor of 420, 122, 819 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

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 122

List of positive integer factors of 122 that divides 122 without a remainder.

1,2,61,122

Factors of 819

List of positive integer factors of 819 that divides 819 without a remainder.

1,3,7,9,13,21,39,63,91,117,273,819

Greatest Common Factor

We found the factors 420,122,819 . The biggest common factor number is the GCF number.
So the greatest common factor 420,122,819 is 1.

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

• GCF of 302, 221, 672
• GCF of 898, 254, 929
• GCF of 982, 992, 295
• GCF of 535, 646, 853
• GCF of 341, 316, 152

1. What is the GCF of 420, 122, 819?

Answer: GCF of 420, 122, 819 is 1.

2. How to Find the GCF of 420, 122, 819

Answer: Greatest Common Factor(GCF) of 420, 122, 819 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 122, 819) = 1.