Alice wants to find all the prime factors of the number you get when you multiply 17•11•13•7. She thinks she has to use a calculator to pay Sam although multiplications and then find the prime factorization of the resulting number. Do you agree? Why or why not?

Question

Mathematics

Foxy

1 April, 23:29

Alice wants to find all the prime factors of the number you get when you multiply 17•11•13•7. She thinks she has to use a calculator to pay Sam although multiplications and then find the prime factorization of the resulting number. Do you agree? Why or why not?

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Answers (1)

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Lewis David · Answer 1

No. Calculator is not needed.

17, 11, 13, and 7 are all prime numbers. They are already the prime factors of the product.

A prime number is a number that can be divided evenly by 1 or itself.

17 : 1 = 17; 17 : 17 = 1 * prime number

11 : 1 = 11; 11 : 11 = 1 * prime number

13 : 1 = 13; 13 : 13 = 1 * prime number

7 : 1 = 7; 7 : 7 = 1 * prime number

Prime factorization is finding which prime numbers multiply together to make the original numbers. Since the prime factors have been given, using a calculator to multiply the prime factors to find the prime factorization is no longer needed.