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Forum: Miscellaneous Math 2022-02-13, 21:56
Replies: 9
Views: 1,572
Posted By sweety439
Some palindrome number forms have composite...

Some palindrome number forms have composite number pattern, e.g. 9444...4449, all numbers of this form is divisible by at least one of 3, 7, 11, or 13.

A more complex example is...
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