## Exercice 2

print("Bonjour")
2*7
print(3*7)
4*7
a=5*7
print(a)


## Exercice 3

for i in range(1,7):
    print(i**2)


## Exercice 5

x=10
y=16
z=x+y
x=y
y=z
print(x+y+z)


## Exercice 9

for i in range(10,15):
    print("bonjour"+str(i))


## Exercice 10

if 10**2<99:
    print('Paf')
    if 5**2>20:
        print('Pif')

if 10**2<99 or 5**2>20:
    print('Pof')

if 10**2<99:
    print('Paf')
    if 5**2>20:
        print('Pif')
    if 10**2<99 or 5**2>20:
        print('Pof')

## Exercice 11

somme=0
for i in range(1,5):
    somme=somme+i

print(i,somme)

## Exercice 12

somme=0
for i in range(10,18):
    if i%3==0:
            somme=somme+i

print(somme)

## Exercice 13

for n in range(20):
    if n%2==0:
        print(n,"est pair.")
    else:
        print(n,"est impair.")

for n in range(1,1001):
    if n%7==0:
        print(n)


## Exercice 14

f=1
for k in range(1,11):
    f=f*k

print('10!=',f)


f=1
for k in range(1,101):
    f=f*k

print('100!=',f)


f=1
for k in range(1,1001):
    f=f*k

print('1000!=',f)


## Exercice 15

S=0
for k in range(10,101):
    S=S+k**2

print(S)


## Exercice 16

S=0
for k in range (1,1000):
    if k%3==0 or k%5==0:
        S=S+k

print(S)


## Exercice 17

n=int(input('Valeur de n : '))
for k in range(1,11):
      print(n,'*',k,'=',n*k)


## Exercice 18

n=2005001
b=1
for k in range(2,n):
    if n%k==0:
        b=0

if b==1:
    print(n,' est premier. ')
else:
    print(n," n'est pas premier. ")



n=2005007
b=1
for k in range(2,n):
    if n%k==0:
        b=0

if b==1:
    print(n,' est premier. ')
else:
    print(n," n'est pas premier. ")


for k in range(2,n):
    if n%k==0:
        print(k)
        n=n/k
print(n)




n=2000009000009
b=1
for k in range(2,1500000):
    if n%k==0:
        b=0

if b==1:
    print(n,' est premier. ')
else:
    print(n," n'est pas premier. ")



for k in range(2,1500000):
    if n%k==0:
        print(k)
        n=n/k
print(n)