Two will go into forty two twenty one times.
42
Not sure about five, but you can make 42 with 6 2s with this method: 2[(22)! - (2/2) - 2] = 42
22 + 22 - 2 = 42
46.
1
26
Exactly 16
Exactly 18 of them
how 2s go into 324?
42 can be divided by 2 once. The result, 21, is not divisible by 2.
96 ÷ 2 = 48
214 ÷ 2 = 107