No, it's a factor.
391
23
least common multiple of 119 and 391 is 2737.
.............. ....391.... ....../\...... ...../..\..... ..../....\.... ..17..23.. ..............
The factors of 391 are: 1 17 23 391 The prime factors are: 17 x 23
17 x 23 = 391
Its factors are: 1, 17, 23 and 391
408
391.
17 x 23 = 391
Their product.
17 x 23 = 391