The answer depends on "do they WHAT!"
231 = 31*71*111
The prime factorization of 231 is 3 x 7 x 11.
231 77,3 11,7,3 3 x 7 x 11 = 231
The prime factorization of 231 is 3 x 7 x 11
It is: 3711 = 231
3 x 7 x 11 is a prime factorization of 2313 x 7 x 11 = 231
The prime factorization of 231 = 3 x 7 x 11
2=5 * * * * * 231 = 31*71*111
The 8 factors of 231 are 1, 3, 7, 11, 21, 33, 77, and 231. The prime factorization of 231 is 231 = 3 * 7 * 11. The prime factors of 231 are 3, 7 and 11.
The prime factorization of 231 is 3 x 7 x 11
575 = 52 x 231
The factors of 231 are 1, 3, 7, 11, 21, 33, 77, and 231, and the prime factorization of 231 is 3 x 7 x 11.
24 x 31 x 231
3 x 7 x 11
760 = 2 x 2 x 2 x 5 x 19 231 = 3 x 7 x 11
There is only one prime factorization string for each number, so there is not a "longest" one. Since 239 is a prime number, its prime factorization is 239.