Is 43 prime or composite

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asked Sep 16, 2016 30.4k views

2 Answers

Austin Henley · Answer 1 · 2016-09-22T16:04:43+0000

it is prime

43 ÷ 2 = 21 + 1
43 ÷ 3 = 14 + 1
43 ÷ 5 = 8 + 3
43 ÷ 7 = 6 + 1
43 ÷ 11 = 3 + 10
43 ÷ 13 = 3 + 4
43 ÷ 17 = 2 + 9
43 ÷ 19 = 2 + 5
43 ÷ 23 = 1 + 20
43 ÷ 29 = 1 + 14
43 ÷ 31 = 1 + 12
43 ÷ 37 = 1 + 6
43 ÷ 41 = 1 + 2

Is 43 prime or composite

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