Respuesta :
Answer:
= 2*2*3*3*5
Step-by-step explanation:
The prime factorization of a number means reducing the number to its primes
180 = 20*9
= 4*5 * 3*3
= 2*2 * 5 * 3 *3
Rewriting in order from smallest to largest
= 2*2*3*3*5
Answer:
A: 2.2.3.3.5
Step-by-step explanation:
All the numbers that are part of this prime factorization are prime numbers (they can only be divided by themselves and by 1: The numbers are: 2, 3 and 5.
2 is the only even prime number.
In B, 45 is not a prime number because it can be divided by 3 or 5.
In C, 9 is not a prime number because it can be divided by 3.
45 and 9 are composite numbers.