Primes / Is 99 prime?

Is 99 a Prime Number?

No99 = 3^2 x 11

99 is NOT prime: 3 × 33 = 99. That makes 3 a genuine divisor of 99 beyond 1 and 99 itself. Fully broken down, 99 = 3^2 × 11, for 6 divisors total. 99 sits between primes 97 and 101, 2 below and 2 above. 99: 3, 9, 11 divide 99 evenly, checked against 2-12. 99 is odd, digit sum 18 for 99, digital root 9 for 99. 99 has 6 primes within 10 of 99.