MathDB

7

Part of 2021 Malaysia IMONST 1

Problems(1)

4-digit number with product of digits 18 2021 Malaysia IMONST 1 Senior P7

Source:

9/21/2021
Sofia has forgotten the passcode of her phone. She only remembers that it has four digits and that the product of its digits is 1818. How many passcodes satisfy these conditions?
number theoryDigits