We are two consecutive prime numbers. Multiply us together and you get 323. Add us together and you get 36. What two numbers are we?
17 and 19
17 and 19 are consecutive prime numbers. Their sum is 17 + 19 = 36, and their product is 17 × 19 = 323.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
More math riddles
What single mathematical symbol can be placed between 5 and 9 to create a number greater than 5 but less than 9?
12 green hats are shared equally among 4 friends. How many green hats does each friend get?
I am a two-digit number. My tens digit is 3 greater than my units digit. If you swap my digits to form a new number and subtract that new number from me, what result do you get?
A garden snail attempts to scale a vertical 30-foot garden trellis. Each daylight period it crawls upward 3 feet, but each night it slips downward 2 feet while resting. On which day will the snail finally reach the very top of the trellis?
A class of 24 students each gives a valentine to every other student... if each student gives 2, how many valentines are given in total?
A professor remarks: 'I am an adult under 70 years of age. Exactly three years ago, my age was divisible by 8. Exactly three years from now, my age will be divisible by 7.' How old is the professor?