Primes / Is 438 prime?
Is 438 a Prime Number?
No438 = 2 x 3 x 73
438 is NOT prime: 2 × 219 = 438. That makes 2 a genuine divisor of 438 beyond 1 and 438 itself. Fully broken down, 438 = 2 × 3 × 73, for 8 divisors total. 438 sits between primes 433 and 439, 5 below and 1 above. 438: 2, 3, 6 divide 438 evenly, checked against 2-12. 438 is even, digit sum 15 for 438, digital root 6 for 438. 438 has 4 primes within 10 of 438.