Urghh! Factors!

Number Theory Level 1

Given that 492,876,847 is the 27th million prime number, how many prime factors does it have?

(The problem is intended for those who intend to keep their streak alive)

Image Credit : www.boston.com


The answer is 1.

Kou$htav Chakrabarty by Kou$htav Chakrabarty , 24, India

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5 solutions

It is a prime number I.e. It has only 2 factors 1 and itself. Therefore it will have only 1 prime factor

3 Helpful 0 Interesting 0 Brilliant 0 Confused

Its obvious

2 Helpful 0 Interesting 0 Brilliant 0 Confused
Isabella Amabel
Apr 20, 2014

Every prime number has one and only prime factor i.e. the number itself.

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Noel Lo
Jul 17, 2018

The fact that it is a prime number would already be sufficient, we do not need to know its order among the primes.

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Saurabh Kurichh
Mar 30, 2014

prime number have only two factors ... so the number itself and 1 :)

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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