veronica26 veronica26
  • 18-02-2018
  • Mathematics
contestada

Abigail says that all the numbers ending 1 are prime. Is Abigail correct or incorrect

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hafizatobe2015
hafizatobe2015 hafizatobe2015
  • 18-02-2018
Incorrect.
Go through the numbers and you'll find un-prime numbers ending in 1:
21, 81, 121,...
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maniyahmizzle20 maniyahmizzle20
  • 18-02-2018
incorrect.......................
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