Greatest Common Factor of 15, 75, 47, 721

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

• Greatest Common Factor of 15, 75, 47, 721 by common division method
• Greatest Common Factor of 15, 75, 47, 721 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 721

List of positive integer factors of 721 that divides 721 without a remainder.

1,7,103,721

Greatest Common Factor

We found the factors 15,75,47,721 . The biggest common factor number is the GCF number.
So the greatest common factor 15,75,47,721 is 1.

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

• GCF of 71, 17, 80, 331
• GCF of 88, 88, 23, 547
• GCF of 42, 54, 88, 760
• GCF of 40, 27, 50, 241
• GCF of 44, 19, 52, 990

1. What is the GCF of 15, 75, 47, 721?

Answer: GCF of 15, 75, 47, 721 is 1.

2. How to Find the GCF of 15, 75, 47, 721

Answer: Greatest Common Factor(GCF) of 15, 75, 47, 721 = 1

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

Step 2: Then multiply all the prime factors GCF(15, 75, 47, 721) = 1.