Greatest Common Factor of 27, 90, 40, 921

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

• Greatest Common Factor of 27, 90, 40, 921 by common division method
• Greatest Common Factor of 27, 90, 40, 921 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 27

List of positive integer factors of 27 that divides 27 without a remainder.

1,3,9,27

Factors of 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

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 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Greatest Common Factor

We found the factors 27,90,40,921 . The biggest common factor number is the GCF number.
So the greatest common factor 27,90,40,921 is 1.

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

• GCF of 95, 45, 43, 968
• GCF of 19, 83, 30, 580
• GCF of 67, 86, 84, 353
• GCF of 95, 30, 57, 361
• GCF of 63, 45, 47, 871

1. What is the GCF of 27, 90, 40, 921?

Answer: GCF of 27, 90, 40, 921 is 1.

2. How to Find the GCF of 27, 90, 40, 921

Answer: Greatest Common Factor(GCF) of 27, 90, 40, 921 = 1

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

Step 2: Then multiply all the prime factors GCF(27, 90, 40, 921) = 1.