Greatest Common Factor of 105, 161, 72

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

• Greatest Common Factor of 105, 161, 72 by common division method
• Greatest Common Factor of 105, 161, 72 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 105

List of positive integer factors of 105 that divides 105 without a remainder.

1,3,5,7,15,21,35,105

Factors of 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Greatest Common Factor

We found the factors 105,161,72 . The biggest common factor number is the GCF number.
So the greatest common factor 105,161,72 is 1.

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

• GCF of 930, 194, 44
• GCF of 847, 221, 61
• GCF of 514, 147, 11
• GCF of 904, 406, 33
• GCF of 800, 233, 73

1. What is the GCF of 105, 161, 72?

Answer: GCF of 105, 161, 72 is 1.

2. How to Find the GCF of 105, 161, 72

Answer: Greatest Common Factor(GCF) of 105, 161, 72 = 1

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

Step 2: Then multiply all the prime factors GCF(105, 161, 72) = 1.