84.6k views
4 votes
Hi can you help me I marked out the stuff that I did.

Hi can you help me I marked out the stuff that I did.-example-1
User Mrowe
by
7.2k points

1 Answer

5 votes

27 + 20 m

If we rewrite each term as the product of prime numbers, we have:

27 = 3*3*3

20m =2*2*5*m

As we can see it is not possible to find a common divisor. Therefore it is prime.

User Lskrinjar
by
7.6k points