1 is neither a prime, nor a composite number. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Nope.... 1 is a factor of every prime number !
The purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.
9 is not prime, so it is not a prime factor of 72, great or otherwise.
1 and 5 5 is prime.
1 and 47. 47 is prime.
1 is not prime, so it can't be a prime factor.
No, 1 is not prime.
1 is a factor of 18; neither 1 nor 18 is prime.
All prime numbers have a common factor of 1.
Nope.... 1 is a factor of every prime number !
Because 1 is not a prime number.
No - as 1 is not a prime number.
No, 1 is not a prime number.
No, 1 is not a prime number.
71 is a prime number and its only prime factor is itself. Its only other factor is 1, which is not a prime number.none because 71 is prime71 is a prime number and its only prime factor is itself. Its only other factor is 1, which is not a prime number.none because 71 is prime
The prime factor of 7 is 7. The prime factor of 121 is 11.
The purpose of a factor tree is to divide a number into prime factors. 1 is not a prime number.