What is the Greatest Common Factor of 70503 and 70512?

Greatest common factor (GCF) of 70503 and 70512 is 3.

GCF(70503,70512) = 3

We will now calculate the prime factors of 70503 and 70512, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 70503 and 70512.

How to find the GCF of 70503 and 70512?

We will first find the prime factorization of 70503 and 70512. After we will calculate the factors of 70503 and 70512 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 70512

Prime factors of 70512 are 2, 3, 13, 113. Prime factorization of 70512 in exponential form is:

70512 = 2⁴ × 3¹ × 13¹ × 113¹

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 70512

List of positive integer factors of 70512 that divides 70503 without a remainder.

1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 113, 156, 208, 226, 312, 339, 452, 624, 678, 904, 1356, 1469, 1808, 2712, 2938, 4407, 5424, 5876, 8814, 11752, 17628, 23504, 35256

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 70503 and 70512. The biggest common factor number is the GCF number.
So the greatest common factor 70503 and 70512 is 3.

Also check out the Least Common Multiple of 70503 and 70512