Question

find the difference between the remainder when 7^84 is divided by 342 & 344​

Answer 1

Answer:

Step one is to notice that 342 = 343 -1,

and of course, 343 = 7^3, so 342 = (7^3) - 1.

If 342 goes evenly into [(7^84) - 1], then it must divide into (7^84) leaving a remainder of 1.

Hope you understand the answer