Greatest Common Factor of 189, 420, 202

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

• Greatest Common Factor of 189, 420, 202 by common division method
• Greatest Common Factor of 189, 420, 202 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 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

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 202

List of positive integer factors of 202 that divides 202 without a remainder.

1,2,101,202

Greatest Common Factor

We found the factors 189,420,202 . The biggest common factor number is the GCF number.
So the greatest common factor 189,420,202 is 1.

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

• GCF of 381, 387, 639
• GCF of 338, 693, 765
• GCF of 727, 297, 180
• GCF of 483, 392, 336
• GCF of 536, 261, 987

1. What is the GCF of 189, 420, 202?

Answer: GCF of 189, 420, 202 is 1.

2. How to Find the GCF of 189, 420, 202

Answer: Greatest Common Factor(GCF) of 189, 420, 202 = 1

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

Step 2: Then multiply all the prime factors GCF(189, 420, 202) = 1.