Because it has factors other than one and itself. It is a composite number and its factors are: 1,3,9,19,57 and 171.
The number 171 is composite because it can divide not just by 1 and 171 but 3, 9, 19 and 57.
A prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 171 are 1, 3, 9, 19, 57, and 171. Therefore, 171 is a composite number.It is a prime number, because there is no other factors apart from 1 and itself, which is 171.171 is a composite number. The prime factors for 171 are 3, 3, and 19.3 x 3 x 19 = 171
None!!! Because '171' is NOT an EVEN number. Remember even numbers end in 0,2,4,6,and 8. Since '171', does not end in 0,2,4,6 or 8 , then it is not an even number, so it will not divide evenly. NB However, you can divide '171' by '2' , and the answer is 85.5 or 85 1/2
151 is the 36th prime number.
No. 152 is even and 171 is divisible by 3. A number is either prime or it isn't, the word relatively cannot be used here.
1 and 171 171 is prime
No.
The common prime factor of 171 and 18 is 3.
The factors of 171 are: 1 3 9 19 57 171The prime factors of 171 are: 3, 19
It is composite.
Lies! It is composite: 1, 3, 57, 171
816 = 24 x 31 x 171