Greatest Common Factor of 870, 121, 170

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

• Greatest Common Factor of 870, 121, 170 by common division method
• Greatest Common Factor of 870, 121, 170 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 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

Factors of 121

List of positive integer factors of 121 that divides 121 without a remainder.

1,11,121

Factors of 170

List of positive integer factors of 170 that divides 170 without a remainder.

1,2,5,10,17,34,85,170

Greatest Common Factor

We found the factors 870,121,170 . The biggest common factor number is the GCF number.
So the greatest common factor 870,121,170 is 1.

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

• GCF of 882, 939, 886
• GCF of 895, 390, 772
• GCF of 928, 867, 851
• GCF of 611, 392, 465
• GCF of 964, 657, 351

1. What is the GCF of 870, 121, 170?

Answer: GCF of 870, 121, 170 is 1.

2. How to Find the GCF of 870, 121, 170

Answer: Greatest Common Factor(GCF) of 870, 121, 170 = 1

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

Step 2: Then multiply all the prime factors GCF(870, 121, 170) = 1.