What is the Greatest Common Factor of 90811 and 90825?

Greatest common factor (GCF) of 90811 and 90825 is 7.

GCF(90811,90825) = 7

We will now calculate the prime factors of 90811 and 90825, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 90811 and 90825.

How to find the GCF of 90811 and 90825?

We will first find the prime factorization of 90811 and 90825. After we will calculate the factors of 90811 and 90825 and find the biggest common factor number .

Step-1: Prime Factorization of 90811

Prime factors of 90811 are 7, 12973. Prime factorization of 90811 in exponential form is:

90811 = 7¹ × 12973¹

Step-2: Prime Factorization of 90825

Prime factors of 90825 are 3, 5, 7, 173. Prime factorization of 90825 in exponential form is:

90825 = 3¹ × 5² × 7¹ × 173¹

Step-3: Factors of 90811

List of positive integer factors of 90811 that divides 90811 without a remainder.

1, 7, 12973

Step-4: Factors of 90825

List of positive integer factors of 90825 that divides 90811 without a remainder.

1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 173, 175, 519, 525, 865, 1211, 2595, 3633, 4325, 6055, 12975, 18165, 30275

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 90811 and 90825. The biggest common factor number is the GCF number.
So the greatest common factor 90811 and 90825 is 7.

Also check out the Least Common Multiple of 90811 and 90825