if i did the math correctly one number is 50 19 has two factors: 1, 19 21 has four factors: 1, 3, 7, 21 23 has two factors: 1, 23 And we need a number that has more than four factors and is greater than 25. Factors of 50- 1, 2, 5, 10, 25, 50 50has six factors and is greater than 25.