Question

explain why (13x11x5x2+5x13) is a composite number

Answer 1

Step-by-step explanation:

Given:-

(13x11x5x2+5x13)

To show:-

explain why (13x11x5x2+5x13) is a composite number

Solution:-

Given number =(13x11x5x2+5x13)

on Taking 13 as common

=>13(11×5×2+5)

=>13(110+5)

=>13(115)

=>13×5×23

=>5×13×23

By Fundamental theorem of arithmetic

we know that every composite number can be expressed as the product of primes.

so given number is in the form of Product of primes

so given number is a composite number.

(13x11x5x2+5x13) is a composite number.

Answer 2

Answer:

they are prime no.(a) bcoz they divisble by 1 nd its own no.