Greatest Common Factor of 83, 17, 77, 20, 210

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

• Greatest Common Factor of 83, 17, 77, 20, 210 by common division method
• Greatest Common Factor of 83, 17, 77, 20, 210 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 83

List of positive integer factors of 83 that divides 83 without a remainder.

1,83

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 210

List of positive integer factors of 210 that divides 210 without a remainder.

1,2,3,5,6,7,10,14,15,21,30,35,42,70,105,210

Greatest Common Factor

We found the factors 83,17,77,20,210 . The biggest common factor number is the GCF number.
So the greatest common factor 83,17,77,20,210 is 1.

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

• GCF of 47, 61, 21, 47, 324
• GCF of 11, 85, 80, 28, 464
• GCF of 77, 20, 37, 37, 250
• GCF of 61, 98, 27, 72, 461
• GCF of 27, 25, 92, 64, 653

1. What is the GCF of 83, 17, 77, 20, 210?

Answer: GCF of 83, 17, 77, 20, 210 is 1.

2. How to Find the GCF of 83, 17, 77, 20, 210

Answer: Greatest Common Factor(GCF) of 83, 17, 77, 20, 210 = 1

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

Step 2: Then multiply all the prime factors GCF(83, 17, 77, 20, 210) = 1.