TaliaAhmed141 TaliaAhmed141
  • 15-04-2022
  • Mathematics
contestada

23 Safia says,
3, 13 and 23 are all prime numbers so
all numbers that end in 3 must be prime.
Explain why she is wrong.

Respuesta :

Аноним Аноним
  • 15-04-2022

Wrong because there will be sometimes a number that will be dividend by three completely.

See :-

  • 93

93/3 = 31

  • 63

63/3 = 21

  • 33

33/3 = 11

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Answer Link
Аноним Аноним
  • 15-04-2022

Answer:

Step-by-step explanation:

We only need to find one exception  to prove that she is wrong.

One such number is 33,  which = 3 * 11 ( noit prime).

Answer Link

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