it,s a puzzle
Answers:
458330
677x677=458329+1=458330
You enjoy to look at the properties of those numbers to see whether they have anything in common. It may be that they are near or nearby to another series with special properties.
677 x 677 + 1 = 458330
You will find the next number by squaring each answer and adding one to that number.
458330
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