Greatest Common Factor of 420, 702, 203

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

• Greatest Common Factor of 420, 702, 203 by common division method
• Greatest Common Factor of 420, 702, 203 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 702

List of positive integer factors of 702 that divides 702 without a remainder.

1,2,3,6,9,13,18,26,27,39,54,78,117,234,351,702

Factors of 203

List of positive integer factors of 203 that divides 203 without a remainder.

1,7,29,203

Greatest Common Factor

We found the factors 420,702,203 . The biggest common factor number is the GCF number.
So the greatest common factor 420,702,203 is 1.

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

• GCF of 261, 455, 771
• GCF of 291, 816, 207
• GCF of 599, 457, 874
• GCF of 467, 476, 682
• GCF of 167, 556, 843

1. What is the GCF of 420, 702, 203?

Answer: GCF of 420, 702, 203 is 1.

2. How to Find the GCF of 420, 702, 203

Answer: Greatest Common Factor(GCF) of 420, 702, 203 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 702, 203) = 1.