Greatest Common Factor of 18, 10, 10, 685

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

• Greatest Common Factor of 18, 10, 10, 685 by common division method
• Greatest Common Factor of 18, 10, 10, 685 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 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 10

List of positive integer factors of 10 that divides 10 without a remainder.

1,2,5,10

Factors of 685

List of positive integer factors of 685 that divides 685 without a remainder.

1,5,137,685

Greatest Common Factor

We found the factors 18,10,10,685 . The biggest common factor number is the GCF number.
So the greatest common factor 18,10,10,685 is 1.

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

• GCF of 81, 38, 79, 246
• GCF of 16, 66, 29, 349
• GCF of 43, 32, 14, 683
• GCF of 38, 81, 37, 650
• GCF of 47, 41, 12, 848

1. What is the GCF of 18, 10, 10, 685?

Answer: GCF of 18, 10, 10, 685 is 1.

2. How to Find the GCF of 18, 10, 10, 685

Answer: Greatest Common Factor(GCF) of 18, 10, 10, 685 = 1

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

Step 2: Then multiply all the prime factors GCF(18, 10, 10, 685) = 1.