Greatest Common Factor of 72, 55, 81, 418

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

• Greatest Common Factor of 72, 55, 81, 418 by common division method
• Greatest Common Factor of 72, 55, 81, 418 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 418

List of positive integer factors of 418 that divides 418 without a remainder.

1,2,11,19,22,38,209,418

Greatest Common Factor

We found the factors 72,55,81,418 . The biggest common factor number is the GCF number.
So the greatest common factor 72,55,81,418 is 1.

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

• GCF of 39, 35, 48, 321
• GCF of 58, 87, 43, 638
• GCF of 90, 57, 50, 247
• GCF of 25, 99, 32, 807
• GCF of 88, 50, 69, 876

1. What is the GCF of 72, 55, 81, 418?

Answer: GCF of 72, 55, 81, 418 is 1.

2. How to Find the GCF of 72, 55, 81, 418

Answer: Greatest Common Factor(GCF) of 72, 55, 81, 418 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 55, 81, 418) = 1.