Greatest Common Factor of 45, 58, 15, 90

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

• Greatest Common Factor of 45, 58, 15, 90 by common division method
• Greatest Common Factor of 45, 58, 15, 90 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

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

Greatest Common Factor

We found the factors 45,58,15,90 . The biggest common factor number is the GCF number.
So the greatest common factor 45,58,15,90 is 1.

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

• GCF of 53, 95, 87, 82
• GCF of 53, 24, 69, 19
• GCF of 33, 56, 78, 12
• GCF of 47, 77, 56, 13
• GCF of 83, 46, 91, 20

1. What is the GCF of 45, 58, 15, 90?

Answer: GCF of 45, 58, 15, 90 is 1.

2. How to Find the GCF of 45, 58, 15, 90

Answer: Greatest Common Factor(GCF) of 45, 58, 15, 90 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 58, 15, 90) = 1.