What is the Greatest Common Factor of 90055 and 90070?

Greatest common factor (GCF) of 90055 and 90070 is 5.

GCF(90055,90070) = 5

We will now calculate the prime factors of 90055 and 90070, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90055 and 90070.

How to find the GCF of 90055 and 90070?

We will first find the prime factorization of 90055 and 90070. After we will calculate the factors of 90055 and 90070 and find the biggest common factor number .

Step-1: Prime Factorization of 90055

Prime factors of 90055 are 5, 7, 31, 83. Prime factorization of 90055 in exponential form is:

90055 = 5¹ × 7¹ × 31¹ × 83¹

Step-2: Prime Factorization of 90070

Prime factors of 90070 are 2, 5, 9007. Prime factorization of 90070 in exponential form is:

90070 = 2¹ × 5¹ × 9007¹

Step-3: Factors of 90055

List of positive integer factors of 90055 that divides 90055 without a remainder.

1, 5, 7, 31, 35, 83, 155, 217, 415, 581, 1085, 2573, 2905, 12865, 18011

Step-4: Factors of 90070

List of positive integer factors of 90070 that divides 90055 without a remainder.

1, 2, 5, 10, 9007, 18014, 45035

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90055 and 90070. The biggest common factor number is the GCF number.
So the greatest common factor 90055 and 90070 is 5.

Also check out the Least Common Multiple of 90055 and 90070