Greatest Common Factor of 135, 79, 470, 420

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

• Greatest Common Factor of 135, 79, 470, 420 by common division method
• Greatest Common Factor of 135, 79, 470, 420 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 135

List of positive integer factors of 135 that divides 135 without a remainder.

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

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 470

List of positive integer factors of 470 that divides 470 without a remainder.

1,2,5,10,47,94,235,470

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 135,79,470,420 . The biggest common factor number is the GCF number.
So the greatest common factor 135,79,470,420 is 1.

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

• GCF of 432, 49, 504, 534
• GCF of 982, 74, 758, 539
• GCF of 540, 55, 733, 239
• GCF of 333, 84, 595, 826
• GCF of 381, 23, 180, 781

1. What is the GCF of 135, 79, 470, 420?

Answer: GCF of 135, 79, 470, 420 is 1.

2. How to Find the GCF of 135, 79, 470, 420

Answer: Greatest Common Factor(GCF) of 135, 79, 470, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(135, 79, 470, 420) = 1.