Greatest Common Factor of 420, 9638, 609

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

• Greatest Common Factor of 420, 9638, 609 by common division method
• Greatest Common Factor of 420, 9638, 609 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 9638

List of positive integer factors of 9638 that divides 9638 without a remainder.

1,2,61,79,122,158,4819,9638

Factors of 609

List of positive integer factors of 609 that divides 609 without a remainder.

1,3,7,21,29,87,203,609

Greatest Common Factor

We found the factors 420,9638,609 . The biggest common factor number is the GCF number.
So the greatest common factor 420,9638,609 is 1.

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

• GCF of 444, 1991, 849
• GCF of 960, 7411, 396
• GCF of 218, 9521, 824
• GCF of 378, 5037, 697
• GCF of 324, 3081, 624

1. What is the GCF of 420, 9638, 609?

Answer: GCF of 420, 9638, 609 is 1.

2. How to Find the GCF of 420, 9638, 609

Answer: Greatest Common Factor(GCF) of 420, 9638, 609 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 9638, 609) = 1.