Greatest Common Factor of 85, 72, 18, 392

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

• Greatest Common Factor of 85, 72, 18, 392 by common division method
• Greatest Common Factor of 85, 72, 18, 392 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 85

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

1,5,17,85

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 18

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

1,2,3,6,9,18

Factors of 392

List of positive integer factors of 392 that divides 392 without a remainder.

1,2,4,7,8,14,28,49,56,98,196,392

Greatest Common Factor

We found the factors 85,72,18,392 . The biggest common factor number is the GCF number.
So the greatest common factor 85,72,18,392 is 1.

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

• GCF of 50, 60, 43, 960
• GCF of 76, 24, 55, 483
• GCF of 61, 66, 66, 956
• GCF of 16, 44, 70, 500
• GCF of 60, 43, 46, 100

1. What is the GCF of 85, 72, 18, 392?

Answer: GCF of 85, 72, 18, 392 is 1.

2. How to Find the GCF of 85, 72, 18, 392

Answer: Greatest Common Factor(GCF) of 85, 72, 18, 392 = 1

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

Step 2: Then multiply all the prime factors GCF(85, 72, 18, 392) = 1.