Primes / Is 25 prime?

Is 25 a Prime Number?

No25 = 5^2

25 is NOT prime: 5 × 5 = 25. That makes 5 a genuine divisor of 25 beyond 1 and 25 itself. Fully broken down, 25 = 5^2, for 3 divisors total. 25 sits between primes 23 and 29, 2 below and 4 above. 25: 5 divide 25 evenly, checked against 2-12. 25 is odd, digit sum 7 for 25, digital root 7 for 25. 25 has 5 primes within 10 of 25.