Greatest Common Factor of 72, 91, 49, 145

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

• Greatest Common Factor of 72, 91, 49, 145 by common division method
• Greatest Common Factor of 72, 91, 49, 145 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 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 145

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

1,5,29,145

Greatest Common Factor

We found the factors 72,91,49,145 . The biggest common factor number is the GCF number.
So the greatest common factor 72,91,49,145 is 1.

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

• GCF of 98, 46, 67, 177
• GCF of 24, 63, 61, 687
• GCF of 63, 38, 14, 411
• GCF of 19, 90, 82, 388
• GCF of 79, 50, 35, 901

1. What is the GCF of 72, 91, 49, 145?

Answer: GCF of 72, 91, 49, 145 is 1.

2. How to Find the GCF of 72, 91, 49, 145

Answer: Greatest Common Factor(GCF) of 72, 91, 49, 145 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 91, 49, 145) = 1.