How many two-digit numbers are there such that the product of their digits is equal to a prime raised to a positive integer exponent?
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
How many two-digit numbers are there such that the product of their digits is equal to a prime raised to a positive integer exponent?
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.