3 years ago

Which of these numbers is prime? large 11, 15, 21, 27, 56

Mathematics

2 answers:

gizmo_the_mogwai [7]3 years ago

6 0

11 is the only prime number. It's only multiples are 1 and itself

vaieri [72.5K]3 years ago

5 0

11 because only 1 times 11 = 11 and it has no other factors

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