Greatest Common Factor of 145, 72, 180, 189

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

• Greatest Common Factor of 145, 72, 180, 189 by common division method
• Greatest Common Factor of 145, 72, 180, 189 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 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

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

Factors of 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Factors of 189

List of positive integer factors of 189 that divides 189 without a remainder.

1,3,7,9,21,27,63,189

Greatest Common Factor

We found the factors 145,72,180,189 . The biggest common factor number is the GCF number.
So the greatest common factor 145,72,180,189 is 1.

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

• GCF of 908, 50, 316, 223
• GCF of 844, 14, 904, 249
• GCF of 366, 69, 956, 190
• GCF of 278, 29, 608, 742
• GCF of 113, 54, 951, 289

1. What is the GCF of 145, 72, 180, 189?

Answer: GCF of 145, 72, 180, 189 is 1.

2. How to Find the GCF of 145, 72, 180, 189

Answer: Greatest Common Factor(GCF) of 145, 72, 180, 189 = 1

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

Step 2: Then multiply all the prime factors GCF(145, 72, 180, 189) = 1.