Răspuns :
n = 6a + 5 n+1 = 6(a+1) ⇒ 6 | (n+1)
n = 5b + 4 n+1 = 5(b+1) ⇒ 5 | (n+1)
(6,5) = 30 ⇒ n+1 = 30 n = 29
n = 5b + 4 n+1 = 5(b+1) ⇒ 5 | (n+1)
(6,5) = 30 ⇒ n+1 = 30 n = 29
n=6m+5
n=5p+4
n+1=6m+5+1=6m+6=6 (m+1)=6r
n+1=5p+4+1=5p+5=5(p+1)=5s
n+1 multiplu coumun de 6 si de 5
cmmmc(5,6)=30
n+1 minim=30
n minim=30-1=29, cerinta
n=5p+4
n+1=6m+5+1=6m+6=6 (m+1)=6r
n+1=5p+4+1=5p+5=5(p+1)=5s
n+1 multiplu coumun de 6 si de 5
cmmmc(5,6)=30
n+1 minim=30
n minim=30-1=29, cerinta