Two and 19.
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67 is a prime number; 38, like every even number greater than 2, is a composite number.
No, 38 is not prime. 2 divides 38, as does 19: 38 = 2 times 19. Hint: numbers that end with 0,2,4,6,or 8 are even. Even numbers are divisible by 2 , so except for 2, even numbers are never prime 2 is the only even prime number.
The number 38 is an even number (ends with 0, 2, 4, 6, or 8). All even numbers except for 2 are composite numbers. 38 is composite.
38 is not a prime number. It can be factored as 2 x 19.
A prime number is defined as a number thats divisible only by 1 and by itself. So you have to check ... Is 38 divisible by 1 ? Yes, it is 38 x 1 = 38 It 38 divisible by itself ? Again, yes : 1 x 38 = 38 Now comes the tricky part .... You have to find out if 38 is divisible by something else than 1 and 38 ... Theres a rule, for example, for numbers divisible by 3 : If the sum of the individual numbers is divisible by 3, the whole number is ... but 11 isn´t divisible by 3, so 38 also isn't. Then, wait .... 38 is an even number, since 37 and 39 aren't. Even numbers are divisible by 2. 38 / 2 = 19 19 is a prime number. 38 isn't.