Question

19 to the power 240 divided by 20, what is the reminder

Answer 1

Answer:

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Step-by-step explanation:

now start with 19^0=1%20=1

19^1=19%20=19

19^2=361%20=1

19^3=6859%20=19

19^4=130321%20=1

19^5=2476099%20=19 and this continues for all even and odd powers of 19

As we observe when we have even powers of 19 divided by 20 we get 1 as remainder

when we have odd powers of 19 divided by 20 we get 19 as remainder

here asked 19^240 as this is even power of 19 we get 1 as remainder