Greatest Common Factor of 45, 97, 16, 61

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

• Greatest Common Factor of 45, 97, 16, 61 by common division method
• Greatest Common Factor of 45, 97, 16, 61 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 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 61

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

1,61

Greatest Common Factor

We found the factors 45,97,16,61 . The biggest common factor number is the GCF number.
So the greatest common factor 45,97,16,61 is 1.

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

• GCF of 48, 28, 96, 15
• GCF of 73, 17, 50, 58
• GCF of 88, 23, 30, 89
• GCF of 40, 40, 59, 32
• GCF of 65, 70, 54, 59

1. What is the GCF of 45, 97, 16, 61?

Answer: GCF of 45, 97, 16, 61 is 1.

2. How to Find the GCF of 45, 97, 16, 61

Answer: Greatest Common Factor(GCF) of 45, 97, 16, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 97, 16, 61) = 1.