Greatest Common Factor of 38, 72, 90, 55

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

• Greatest Common Factor of 38, 72, 90, 55 by common division method
• Greatest Common Factor of 38, 72, 90, 55 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 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Greatest Common Factor

We found the factors 38,72,90,55 . The biggest common factor number is the GCF number.
So the greatest common factor 38,72,90,55 is 1.

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

• GCF of 44, 22, 10, 70
• GCF of 32, 23, 65, 33
• GCF of 94, 32, 69, 11
• GCF of 25, 20, 24, 66
• GCF of 20, 95, 16, 88

1. What is the GCF of 38, 72, 90, 55?

Answer: GCF of 38, 72, 90, 55 is 1.

2. How to Find the GCF of 38, 72, 90, 55

Answer: Greatest Common Factor(GCF) of 38, 72, 90, 55 = 1

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

Step 2: Then multiply all the prime factors GCF(38, 72, 90, 55) = 1.