Greatest Common Factor of 13, 55, 17, 870

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

• Greatest Common Factor of 13, 55, 17, 870 by common division method
• Greatest Common Factor of 13, 55, 17, 870 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 17

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

1,17

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 13,55,17,870 . The biggest common factor number is the GCF number.
So the greatest common factor 13,55,17,870 is 1.

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

• GCF of 36, 79, 10, 269
• GCF of 77, 87, 70, 961
• GCF of 80, 35, 43, 995
• GCF of 58, 56, 92, 863
• GCF of 77, 93, 47, 295

1. What is the GCF of 13, 55, 17, 870?

Answer: GCF of 13, 55, 17, 870 is 1.

2. How to Find the GCF of 13, 55, 17, 870

Answer: Greatest Common Factor(GCF) of 13, 55, 17, 870 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 55, 17, 870) = 1.