A group of friends share a bill for 1369 equally between the

A group of friends share a bill for $13.69 equally between them. How many were in the group?

Solution

$13.69 =1369 cents.

1369 has factored like:

1369=1369*1

or

1369 = 37^2.

No other factors.

37 is prime and not further divisible by any number .

Therefore the possible answers are 1 or 37 or 1369 persons when the money 1369 cents can be equally shared.

So, 37 members more practical than extreme numbers 1 or 1369.