3. Determine whether each number is prime or composite: a. 721 b. 513
Answers
Answered by
1
Step-by-step explanation:
prime no. = no. having only two factor 1 and no. itself
both are not a prime no. bcoz
721 is divisible by 7 and 103
513 is divisible by 171 and 3
that's why they are not prime no.
Similar questions