Question

Write 3 numbers between 30 and 50 that have:

a) Exactly 2 factors each
and
b) More that 2 factors each

I also need THE factors.

EX. a1) 35 (35 x 1, 5 x 7)

Answer 1

Hint for a) Exactly 2 factors each - those 2 factors must both be prime numbers themselves.

Answer 2

for b) i dont think u can go more than 3 factors....all must be primes again. Good luck :)

Answer 3

@superdavesuper I think you meant to say that if the number has exactly 2 factors, then that number is prime

Answer 4

@jim_thompson5910 ooops...TRICKY prob!!! yes, if the number itself and 1 counts as 2 factors, then yes, a) is asking for any prime number between 30-50

i had thought, by mistake, that the prob was asking for a number w 2 factors other than the number itself and 1. But i think u are right! thanks for correcting me!

Answer 5

30
31 - Prime
32
33
34
35
36
37 - Prime
38
39
40
41 - Prime
42
43 - Prime
44
45
46
47 - Prime
48
49
50

You can rule out some rather quickly.

Answer 6

Thanks guys!

Answer 7

welcome n thanx 4 da medal :)