Get expert advice and community support for your questions on IDNLearn.com. Get accurate and timely answers to your queries from our extensive network of experienced professionals.

Is 43 prime or composite

Sagot :

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

Answer:

It is Prime

Explanation:

If a 2 digit number ends in 2,3,5, or 7, it is a Prime Number.