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It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers..............

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It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers.

But I also know how many of these numbers are prime.

Do you?

posted Feb 13 by Samardeep Acharya
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*How many of these numbers* indicate to 0 to 9. The summation of 0 to 9 is 45. They are divisable by 3 and 9.

answer Feb 14 by Yasin Hossain Siinan

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