Greatest Common Factor of 15, 71, 120, 305

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

• Greatest Common Factor of 15, 71, 120, 305 by common division method
• Greatest Common Factor of 15, 71, 120, 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 15

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

1,3,5,15

Factors of 71

List of positive integer factors of 71 that divides 71 without a remainder.

1,71

Factors of 120

List of positive integer factors of 120 that divides 120 without a remainder.

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

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 15,71,120,305 . The biggest common factor number is the GCF number.
So the greatest common factor 15,71,120,305 is 1.

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

• GCF of 84, 83, 959, 977
• GCF of 65, 11, 644, 583
• GCF of 70, 87, 485, 288
• GCF of 79, 12, 698, 196
• GCF of 65, 27, 516, 383

1. What is the GCF of 15, 71, 120, 305?

Answer: GCF of 15, 71, 120, 305 is 1.

2. How to Find the GCF of 15, 71, 120, 305

Answer: Greatest Common Factor(GCF) of 15, 71, 120, 305 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 71, 120, 305) = 1.