Greatest Common Factor of 75, 27, 21, 190

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

• Greatest Common Factor of 75, 27, 21, 190 by common division method
• Greatest Common Factor of 75, 27, 21, 190 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 75

List of positive integer factors of 75 that divides 75 without a remainder.

1,3,5,15,25,75

Factors of 27

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

1,3,9,27

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 190

List of positive integer factors of 190 that divides 190 without a remainder.

1,2,5,10,19,38,95,190

Greatest Common Factor

We found the factors 75,27,21,190 . The biggest common factor number is the GCF number.
So the greatest common factor 75,27,21,190 is 1.

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

• GCF of 91, 33, 57, 101
• GCF of 40, 20, 40, 571
• GCF of 82, 22, 63, 754
• GCF of 68, 30, 94, 716
• GCF of 10, 20, 78, 306

1. What is the GCF of 75, 27, 21, 190?

Answer: GCF of 75, 27, 21, 190 is 1.

2. How to Find the GCF of 75, 27, 21, 190

Answer: Greatest Common Factor(GCF) of 75, 27, 21, 190 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 27, 21, 190) = 1.