101. If you want a prime number less than 100, the closest is 97.
The prime number that is closest to 50 and smaller than it is 47 (check it, 48 and 49 are divisible by other numbers than 1 and themselves). The prime number that is closest to 50 and is bigger than it is 53 (51 and 52 are divisible by other numbers than 1 and themselves). Therefore: 47+53=100 100 is the answer.
201
It is: 47
97 is the largest prime number under 100
The closest prime number to 100 is 101.
101. If you want a prime number less than 100, the closest is 97.
2 is the largest prime number closest to 1.
The number 89.
89 and 97
199
Prime numbers are not shapes. The closest thing I can think of is a polygon with a prime number of sides.
The prime number that is closest to 50 and smaller than it is 47 (check it, 48 and 49 are divisible by other numbers than 1 and themselves). The prime number that is closest to 50 and is bigger than it is 53 (51 and 52 are divisible by other numbers than 1 and themselves). Therefore: 47+53=100 100 is the answer.
The sum of the prime factors of 6 is closest in value to the composite number 6.
The smallest prime number from 1 to 100 is 2.
201
499