Magician Mike Michael claims to know two positive whole numbers that multiply to 1000, neither of which contain the digit 0.
What is the sum of these 2 numbers?
If and are positive integers that satisfy the equation above, find .
If we mistakenly add numerator and denominators, we would think:
How many ordered pairs in the interval such that they satisfy the equation above.
What is the smallest positive multiple of hundred which can be expressed as the product of two consecutive integers?
How many primes are 4 less than a perfect square?