What is the Greatest Common Factor of 68153 and 68172?

Greatest common factor (GCF) of 68153 and 68172 is 19.

GCF(68153,68172) = 19

We will now calculate the prime factors of 68153 and 68172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68153 and 68172.

How to find the GCF of 68153 and 68172?

We will first find the prime factorization of 68153 and 68172. After we will calculate the factors of 68153 and 68172 and find the biggest common factor number .

Step-1: Prime Factorization of 68153

Prime factors of 68153 are 17, 19, 211. Prime factorization of 68153 in exponential form is:

68153 = 17¹ × 19¹ × 211¹

Step-2: Prime Factorization of 68172

Prime factors of 68172 are 2, 3, 13, 19, 23. Prime factorization of 68172 in exponential form is:

68172 = 2² × 3¹ × 13¹ × 19¹ × 23¹

Step-3: Factors of 68153

List of positive integer factors of 68153 that divides 68153 without a remainder.

1, 17, 19, 211, 323, 3587, 4009

Step-4: Factors of 68172

List of positive integer factors of 68172 that divides 68153 without a remainder.

1, 2, 3, 4, 6, 12, 13, 19, 23, 26, 38, 39, 46, 52, 57, 69, 76, 78, 92, 114, 138, 156, 228, 247, 276, 299, 437, 494, 598, 741, 874, 897, 988, 1196, 1311, 1482, 1748, 1794, 2622, 2964, 3588, 5244, 5681, 11362, 17043, 22724, 34086

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68153 and 68172. The biggest common factor number is the GCF number.
So the greatest common factor 68153 and 68172 is 19.

Also check out the Least Common Multiple of 68153 and 68172