1, 1, 1, 3
The four numbers are: 113, 131, 151 and 191. For the product of the digits to be prime, the number must contain 2 ones - which greatly simplifies the exercise.
from 3 digits (10x10) to 4 digits (99X99)
you take the four digits and multiply 4 by 4 you get 16 digits
-109
its area code-3 digits- four digits :) your welcome y'all
They are: 1*2*3 = 6
Three of them.
123
36 is twice the product of its digits multiplied. 3 times 6 equals 18, and 18 times 2 equals 36.
Impossible. With all multiples of nine the product of its digits is 9. Take, for exampe, 117 or 153.
225 = (15)2 2*2*5=20 3 digits in 225
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