Greatest Common Factor of 420, 74, 635

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

• Greatest Common Factor of 420, 74, 635 by common division method
• Greatest Common Factor of 420, 74, 635 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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 635

List of positive integer factors of 635 that divides 635 without a remainder.

1,5,127,635

Greatest Common Factor

We found the factors 420,74,635 . The biggest common factor number is the GCF number.
So the greatest common factor 420,74,635 is 1.

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

• GCF of 463, 72, 160
• GCF of 351, 24, 991
• GCF of 793, 86, 268
• GCF of 922, 29, 261
• GCF of 699, 90, 856

1. What is the GCF of 420, 74, 635?

Answer: GCF of 420, 74, 635 is 1.

2. How to Find the GCF of 420, 74, 635

Answer: Greatest Common Factor(GCF) of 420, 74, 635 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 74, 635) = 1.