Greatest Common Factor of 65, 80, 25, 73, 153

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

• Greatest Common Factor of 65, 80, 25, 73, 153 by common division method
• Greatest Common Factor of 65, 80, 25, 73, 153 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 153

List of positive integer factors of 153 that divides 153 without a remainder.

1,3,9,17,51,153

Greatest Common Factor

We found the factors 65,80,25,73,153 . The biggest common factor number is the GCF number.
So the greatest common factor 65,80,25,73,153 is 1.

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

• GCF of 99, 92, 61, 97, 360
• GCF of 77, 28, 97, 63, 977
• GCF of 27, 26, 31, 18, 801
• GCF of 74, 78, 23, 70, 582
• GCF of 71, 24, 11, 17, 723

1. What is the GCF of 65, 80, 25, 73, 153?

Answer: GCF of 65, 80, 25, 73, 153 is 1.

2. How to Find the GCF of 65, 80, 25, 73, 153

Answer: Greatest Common Factor(GCF) of 65, 80, 25, 73, 153 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 80, 25, 73, 153) = 1.