Accéder au contenu principal
The Exercise Correction 2 natural integers numbers
1) 49 is not a prime number because may be divided by 7
we have the following numbers 2 ، 3 ، 5 ، 7 ، 11 ، 13 et 17 do not divide 239 and we have 17²>239>23²
then 239 is a prime number
.......................................................
2) the decomposition into prime numbers :