Greatest Common Factor of 75, 19, 16, 390

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

• Greatest Common Factor of 75, 19, 16, 390 by common division method
• Greatest Common Factor of 75, 19, 16, 390 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 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Greatest Common Factor

We found the factors 75,19,16,390 . The biggest common factor number is the GCF number.
So the greatest common factor 75,19,16,390 is 1.

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

• GCF of 89, 91, 68, 306
• GCF of 70, 39, 59, 793
• GCF of 31, 39, 72, 824
• GCF of 35, 95, 78, 614
• GCF of 89, 11, 96, 404

1. What is the GCF of 75, 19, 16, 390?

Answer: GCF of 75, 19, 16, 390 is 1.

2. How to Find the GCF of 75, 19, 16, 390

Answer: Greatest Common Factor(GCF) of 75, 19, 16, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(75, 19, 16, 390) = 1.