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There are infinitely many such numbers.If p is a prime then p^11 has 12 factors.If p and q are any two primes, then p*q^5 has 12 factors.If p and q are any two primes, then p^2*q^3 has 12 factors.If p, q and r are any three primes, then p*q*r^2 has 12 factors.
When do you start a new pack of birth control pills if you stopped in the middle of the previous pack and missed 3 pills then started period?
All the numbers greater than 1 - they are eitherprime (2, 3, 5, 7, 11, 13, 17, 19, ...); orcomposite (4, 6, 8, 9, 10, 12, 14, 15, ...)The number 1 is neither prime nor composite. it is often called a Unit.
How much money will you have if you started with $500 and put it in an account that earned 9.7% every year for 20 years?