Greatest Common Factor of 45, 88, 61, 5, 90

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

• Greatest Common Factor of 45, 88, 61, 5, 90 by common division method
• Greatest Common Factor of 45, 88, 61, 5, 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 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Factors of 5

List of positive integer factors of 5 that divides 5 without a remainder.

1,5

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 45,88,61,5,90 . The biggest common factor number is the GCF number.
So the greatest common factor 45,88,61,5,90 is 1.

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

• GCF of 18, 37, 42, 6, 83
• GCF of 36, 82, 98, 2, 47
• GCF of 51, 50, 45, 2, 29
• GCF of 12, 18, 13, 3, 21
• GCF of 43, 25, 44, 7, 77

1. What is the GCF of 45, 88, 61, 5, 90?

Answer: GCF of 45, 88, 61, 5, 90 is 1.

2. How to Find the GCF of 45, 88, 61, 5, 90

Answer: Greatest Common Factor(GCF) of 45, 88, 61, 5, 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, 88, 61, 5, 90) = 1.