Greatest Common Factor of 19, 90, 34, 145

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

• Greatest Common Factor of 19, 90, 34, 145 by common division method
• Greatest Common Factor of 19, 90, 34, 145 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 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 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Greatest Common Factor

We found the factors 19,90,34,145 . The biggest common factor number is the GCF number.
So the greatest common factor 19,90,34,145 is 1.

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

• GCF of 46, 16, 10, 624
• GCF of 48, 21, 38, 235
• GCF of 79, 56, 76, 672
• GCF of 87, 33, 71, 105
• GCF of 89, 23, 81, 778

1. What is the GCF of 19, 90, 34, 145?

Answer: GCF of 19, 90, 34, 145 is 1.

2. How to Find the GCF of 19, 90, 34, 145

Answer: Greatest Common Factor(GCF) of 19, 90, 34, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 90, 34, 145) = 1.