Greatest Common Factor of 721, 221, 729, 45

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

• Greatest Common Factor of 721, 221, 729, 45 by common division method
• Greatest Common Factor of 721, 221, 729, 45 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 721

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

1,7,103,721

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Factors of 729

List of positive integer factors of 729 that divides 729 without a remainder.

1,3,9,27,81,243,729

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Greatest Common Factor

We found the factors 721,221,729,45 . The biggest common factor number is the GCF number.
So the greatest common factor 721,221,729,45 is 1.

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

• GCF of 804, 752, 296, 75
• GCF of 537, 805, 581, 82
• GCF of 902, 998, 299, 54
• GCF of 410, 342, 317, 54
• GCF of 123, 956, 730, 61

1. What is the GCF of 721, 221, 729, 45?

Answer: GCF of 721, 221, 729, 45 is 1.

2. How to Find the GCF of 721, 221, 729, 45

Answer: Greatest Common Factor(GCF) of 721, 221, 729, 45 = 1

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

Step 2: Then multiply all the prime factors GCF(721, 221, 729, 45) = 1.