Question

Show that the no. 23*17*5*3*2+32 is composite no.

Answer 1

23*17*30+30 +2
now take common 30 from equation.
30(23*17*1+1+2)
=30 (223+3)
=30*226
so it is product of two number ,so it is composite number
proved

Answer 2

Q= 23*17*5*3*2+32

23*17*30+30+2

30( 23*17*1+1+2)

30(391 + 3)

30*394 Ans...

Hence the product of 30*394 is a compositeNumber....

hope its help U...