Greatest Common Factor of 72, 85, 15, 305

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

• Greatest Common Factor of 72, 85, 15, 305 by common division method
• Greatest Common Factor of 72, 85, 15, 305 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 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 85

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

1,5,17,85

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 305

List of positive integer factors of 305 that divides 305 without a remainder.

1,5,61,305

Greatest Common Factor

We found the factors 72,85,15,305 . The biggest common factor number is the GCF number.
So the greatest common factor 72,85,15,305 is 1.

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

• GCF of 86, 11, 55, 379
• GCF of 41, 96, 19, 311
• GCF of 55, 68, 73, 659
• GCF of 87, 26, 74, 414
• GCF of 77, 15, 55, 176

1. What is the GCF of 72, 85, 15, 305?

Answer: GCF of 72, 85, 15, 305 is 1.

2. How to Find the GCF of 72, 85, 15, 305

Answer: Greatest Common Factor(GCF) of 72, 85, 15, 305 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 85, 15, 305) = 1.