What is the Greatest Common Factor of 70503 and 70521?

Greatest common factor (GCF) of 70503 and 70521 is 3.

GCF(70503,70521) = 3

We will now calculate the prime factors of 70503 and 70521, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70503 and 70521.

How to find the GCF of 70503 and 70521?

We will first find the prime factorization of 70503 and 70521. After we will calculate the factors of 70503 and 70521 and find the biggest common factor number .

Step-1: Prime Factorization of 70503

Prime factors of 70503 are 3, 71, 331. Prime factorization of 70503 in exponential form is:

70503 = 3¹ × 71¹ × 331¹

Step-2: Prime Factorization of 70521

Prime factors of 70521 are 3, 11, 2137. Prime factorization of 70521 in exponential form is:

70521 = 3¹ × 11¹ × 2137¹

Step-3: Factors of 70503

List of positive integer factors of 70503 that divides 70503 without a remainder.

1, 3, 71, 213, 331, 993, 23501

Step-4: Factors of 70521

List of positive integer factors of 70521 that divides 70503 without a remainder.

1, 3, 11, 33, 2137, 6411, 23507

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70503 and 70521. The biggest common factor number is the GCF number.
So the greatest common factor 70503 and 70521 is 3.

Also check out the Least Common Multiple of 70503 and 70521