Chung Kevin's favorite - (1)

Algebra Level 1

$142857 \times 2 = 285714 \\ 142857 \times 3 = 428571 \\ 142857 \times 4 = 571428 \\ 142857 \times 5 = 714285 \\ 142857 \times 6 = 857142 \\$

You can see that the multiples of 142857 you would notice that they are just the permutation of digits 1,4,2,8,7,5.

Can you compute $$142857 \times 7$$?

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