Greatest Common Factor of 81, 72, 74, 810

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

• Greatest Common Factor of 81, 72, 74, 810 by common division method
• Greatest Common Factor of 81, 72, 74, 810 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 81

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

1,3,9,27,81

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 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

Greatest Common Factor

We found the factors 81,72,74,810 . The biggest common factor number is the GCF number.
So the greatest common factor 81,72,74,810 is 1.

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

• GCF of 37, 85, 49, 770
• GCF of 74, 98, 52, 456
• GCF of 19, 51, 10, 243
• GCF of 20, 96, 87, 153
• GCF of 65, 72, 45, 446

1. What is the GCF of 81, 72, 74, 810?

Answer: GCF of 81, 72, 74, 810 is 1.

2. How to Find the GCF of 81, 72, 74, 810

Answer: Greatest Common Factor(GCF) of 81, 72, 74, 810 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 72, 74, 810) = 1.