doubleD1
doubleD1
11-02-2015
English
Answered
Is 43 prime or composite
Answer :
olivia033
olivia033
17-02-2015
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
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sawkatus
sawkatus
18-07-2020
Answer:
It is Prime
Explanation:
If a 2 digit number ends in 2,3,5, or 7, it is a Prime Number.
Answer Link
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