Primes / Is 427 prime?
Is 427 a Prime Number?
No427 = 7 x 61
427 is NOT prime: 7 × 61 = 427. That makes 7 a genuine divisor of 427 beyond 1 and 427 itself. Fully broken down, 427 = 7 × 61, for 4 divisors total. 427 sits between primes 421 and 431, 6 below and 4 above. 427: 7 divide 427 evenly, checked against 2-12. 427 is odd, digit sum 13 for 427, digital root 4 for 427. 427 has 4 primes within 10 of 427.