The number u looking for is 28
Answer:

Step-by-step explanation:

Rewrite the expression

Add

Therefore,
is equal to
.
I hope this helps!
What you help with exactly?
Answer:
31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Step-by-step explanation:
I was not sure what number you wanted me to go till but i did prime numbers greater than 30, but within 100...hope this helps!