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Earn +20 ptsQ: Is eighty one prime number
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What is the one millionth prime number?
15,485,863 (fifteen million four hundred eighty five thousand eight hundred sixty three) is the one millionth prime number.
What prime number between sixty and eighty is one more than the product of two factors that are consecutive numbers?
73
Is eighty-one a composite or prime number?
81 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
How do you say the number 81000000000000000000?
Eighty-one quintillion.
What is the smallest prime factor of eighty-two?
Smallest prime factor = smallest prime number which can be divided into the given number with no remainder 82/2=41, both 2 and 41 are prime and 2 is the smallest.
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