Question

Express the number 90 as the sum of two odd primes.
b) Are 16 and 21 Co-Prime? Justify your answer

Answer 1

Answer:

31 + 59 is your answer

Explanation:

Odd prime means the number which is odd and prime . Ex = 31 +59 , as 31 and 59 is odd and prime also .

There can be other answers also.

Answer:

Yes 16 and 21 is co-prime