Greatest Common Factor of 81, 40, 81, 748

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

• Greatest Common Factor of 81, 40, 81, 748 by common division method
• Greatest Common Factor of 81, 40, 81, 748 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 81

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

1,3,9,27,81

Factors of 748

List of positive integer factors of 748 that divides 748 without a remainder.

1,2,4,11,17,22,34,44,68,187,374,748

Greatest Common Factor

We found the factors 81,40,81,748 . The biggest common factor number is the GCF number.
So the greatest common factor 81,40,81,748 is 1.

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

• GCF of 47, 71, 97, 193
• GCF of 63, 92, 50, 415
• GCF of 45, 14, 37, 251
• GCF of 39, 13, 89, 993
• GCF of 36, 79, 13, 751

1. What is the GCF of 81, 40, 81, 748?

Answer: GCF of 81, 40, 81, 748 is 1.

2. How to Find the GCF of 81, 40, 81, 748

Answer: Greatest Common Factor(GCF) of 81, 40, 81, 748 = 1

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

Step 2: Then multiply all the prime factors GCF(81, 40, 81, 748) = 1.