Greatest Common Factor of 45, 55, 14, 51, 90

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

• Greatest Common Factor of 45, 55, 14, 51, 90 by common division method
• Greatest Common Factor of 45, 55, 14, 51, 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 55

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

1,5,11,55

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

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 45,55,14,51,90 . The biggest common factor number is the GCF number.
So the greatest common factor 45,55,14,51,90 is 1.

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

• GCF of 59, 86, 73, 14, 75
• GCF of 58, 55, 47, 76, 67
• GCF of 80, 92, 47, 56, 96
• GCF of 32, 63, 69, 97, 40
• GCF of 10, 49, 78, 98, 82

1. What is the GCF of 45, 55, 14, 51, 90?

Answer: GCF of 45, 55, 14, 51, 90 is 1.

2. How to Find the GCF of 45, 55, 14, 51, 90

Answer: Greatest Common Factor(GCF) of 45, 55, 14, 51, 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, 55, 14, 51, 90) = 1.