Question

1. Scrieți mulțimea divizorilor naturali ai numărului:
a) 4; b) 10; c) 18; d) 31; e) 45; 0 56; g) 72; h) 84; i) 100

Answer 1

a) D={1, 2, 4.}

b) D={1, 2, 5, 10.}

c) D={1, 2, 3, 6, 9, 18.}

d) D={1, 31.}

e) D={1, 3, 5, 9, 15, 45.}

f) D={1, 2, 4, 7, 8, 14, 28, 56.}

g) D={1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.}

h) D={1, 2, 3, 4, 6, 7, 12, 21, 28, 42, 84.}

i) D={1, 2, 4, 5, 10, 20, 25, 50, 100.}