jan5335 jan5335
  • 20-01-2022
  • Mathematics
contestada

12. How can you tell that 32 and 95 are not prime numbers
without finding their factors?


Respuesta :

kim243725
kim243725 kim243725
  • 20-01-2022

Answer:

The last digit of 32 is an even number. The only even prime number is 2.

All of the other prime numbers are multiples of 2, so 32 can't be a prime.

-- The last digit of 95 is 5. That tells us that it's a multiple of 5. The only

multiple of 5 that's a prime number is 5 itself. 95 is not 5 itself, s

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