Greatest Common Factor of 18, 30, 87, 485

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

• Greatest Common Factor of 18, 30, 87, 485 by common division method
• Greatest Common Factor of 18, 30, 87, 485 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 485

List of positive integer factors of 485 that divides 485 without a remainder.

1,5,97,485

Greatest Common Factor

We found the factors 18,30,87,485 . The biggest common factor number is the GCF number.
So the greatest common factor 18,30,87,485 is 1.

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

• GCF of 45, 10, 57, 345
• GCF of 73, 60, 35, 298
• GCF of 75, 59, 54, 650
• GCF of 28, 16, 14, 722
• GCF of 59, 14, 10, 770

1. What is the GCF of 18, 30, 87, 485?

Answer: GCF of 18, 30, 87, 485 is 1.

2. How to Find the GCF of 18, 30, 87, 485

Answer: Greatest Common Factor(GCF) of 18, 30, 87, 485 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 30, 87, 485) = 1.