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When we multiply 142 857
only numerals inside the number change their places.
142 857 x 1 = 142 857
142 857 x 2 = 285 714
142 857 x 3 = 428 571
142 857 x 4 = 571 428
142 857 x 5 = 714 285
142 857 x 6 = 857 142
When we multiply 142 857 with 7
it will become 999 999.
it will become 999 999.
Also,
142 + 857 = 999,
14 + 28 + 57 = 99.
142 857 X 142 857 = 20408122449.\
And,
20408 + 122449 = 142 857
