Greatest Common Factor of 18, 46, 85, 870

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

• Greatest Common Factor of 18, 46, 85, 870 by common division method
• Greatest Common Factor of 18, 46, 85, 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 18

List of positive integer factors of 18 that divides 18 without a remainder.

1,2,3,6,9,18

Factors of 46

List of positive integer factors of 46 that divides 46 without a remainder.

1,2,23,46

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

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 18,46,85,870 . The biggest common factor number is the GCF number.
So the greatest common factor 18,46,85,870 is 1.

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

• GCF of 86, 81, 86, 954
• GCF of 63, 26, 95, 119
• GCF of 81, 69, 43, 724
• GCF of 99, 27, 33, 407
• GCF of 32, 66, 69, 331

1. What is the GCF of 18, 46, 85, 870?

Answer: GCF of 18, 46, 85, 870 is 1.

2. How to Find the GCF of 18, 46, 85, 870

Answer: Greatest Common Factor(GCF) of 18, 46, 85, 870 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 46, 85, 870) = 1.