Greatest Common Factor of 45, 25, 162

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

• Greatest Common Factor of 45, 25, 162 by common division method
• Greatest Common Factor of 45, 25, 162 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 25

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

1,5,25

Factors of 162

List of positive integer factors of 162 that divides 162 without a remainder.

1,2,3,6,9,18,27,54,81,162

Greatest Common Factor

We found the factors 45,25,162 . The biggest common factor number is the GCF number.
So the greatest common factor 45,25,162 is 1.

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

• GCF of 34, 95, 210
• GCF of 53, 81, 637
• GCF of 58, 21, 341
• GCF of 61, 77, 921
• GCF of 11, 70, 822

1. What is the GCF of 45, 25, 162?

Answer: GCF of 45, 25, 162 is 1.

2. How to Find the GCF of 45, 25, 162

Answer: Greatest Common Factor(GCF) of 45, 25, 162 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 25, 162) = 1.