Greatest Common Factor of 19, 62, 30, 390

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

• Greatest Common Factor of 19, 62, 30, 390 by common division method
• Greatest Common Factor of 19, 62, 30, 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 19

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

1,19

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 19,62,30,390 . The biggest common factor number is the GCF number.
So the greatest common factor 19,62,30,390 is 1.

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

• GCF of 41, 96, 47, 464
• GCF of 45, 74, 62, 680
• GCF of 44, 99, 25, 126
• GCF of 37, 19, 63, 337
• GCF of 55, 38, 99, 309

1. What is the GCF of 19, 62, 30, 390?

Answer: GCF of 19, 62, 30, 390 is 1.

2. How to Find the GCF of 19, 62, 30, 390

Answer: Greatest Common Factor(GCF) of 19, 62, 30, 390 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 62, 30, 390) = 1.