Greatest Common Factor of 90, 73, 91, 49

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

• Greatest Common Factor of 90, 73, 91, 49 by common division method
• Greatest Common Factor of 90, 73, 91, 49 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 73

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

1,73

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

Greatest Common Factor

We found the factors 90,73,91,49 . The biggest common factor number is the GCF number.
So the greatest common factor 90,73,91,49 is 1.

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

• GCF of 79, 60, 34, 35
• GCF of 27, 24, 68, 52
• GCF of 98, 64, 37, 70
• GCF of 24, 42, 68, 67
• GCF of 20, 38, 99, 79

1. What is the GCF of 90, 73, 91, 49?

Answer: GCF of 90, 73, 91, 49 is 1.

2. How to Find the GCF of 90, 73, 91, 49

Answer: Greatest Common Factor(GCF) of 90, 73, 91, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 73, 91, 49) = 1.