Greatest Common Factor of 420, 414, 205

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

• Greatest Common Factor of 420, 414, 205 by common division method
• Greatest Common Factor of 420, 414, 205 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 414

List of positive integer factors of 414 that divides 414 without a remainder.

1,2,3,6,9,18,23,46,69,138,207,414

Factors of 205

List of positive integer factors of 205 that divides 205 without a remainder.

1,5,41,205

Greatest Common Factor

We found the factors 420,414,205 . The biggest common factor number is the GCF number.
So the greatest common factor 420,414,205 is 1.

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

• GCF of 950, 836, 993
• GCF of 355, 477, 393
• GCF of 835, 309, 462
• GCF of 494, 190, 488
• GCF of 156, 614, 807

1. What is the GCF of 420, 414, 205?

Answer: GCF of 420, 414, 205 is 1.

2. How to Find the GCF of 420, 414, 205

Answer: Greatest Common Factor(GCF) of 420, 414, 205 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 414, 205) = 1.