answer is wrong? Go to the Prime Factory challenge
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answer is wrong?
Aprill 27, 2023 - 07:52:43 (1y 3d)
Aprill 27, 2023 - 07:52:43 (1y 3d)
I use python to run prime number program ,Get answer is 1000003 and 1000033,But system tell me answer is wrong,1000003 is not prime number?
I need some help...
I need some help...
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RE: answer is wrong?
Aprill 27, 2023 - 08:58:47 (1y 3d)
Aprill 27, 2023 - 08:58:47 (1y 3d)
which is a prime whose digit sum 1+3=4 is not prime
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RE: answer is wrong?
Mai 06, 2023 - 15:05:44 (359d 5h)
Mai 06, 2023 - 15:05:44 (359d 5h)
Quote from mingxuanAprill 27, 2023 - 07:52:43
I use python to run prime number program ,Get answer is 1000003 and 1000033,But system tell me answer is wrong,1000003 is not prime number?
I need some help...
GeSHi`ed Plaintext code
1 2 | 1000003 -> is prime 1000033 -> is prime |
Quote from ianpimAprill 27, 2023 - 08:58:47
which is a prime whose digit sum 1+3=4 is not prime
Afaik 1 is not a prime number; these begin with 2. Which is not prime? 13 for example:
GeSHi`ed Plaintext code
1 2 | 13 is prime 1+3 = 4 not prime |
Maybe you wanted to know "whose digits sum IS prime". For that here a good example (at least I hope): https://www.geeksforgeeks.org/count-all-prime-numbers-in-a-given-range-whose-sum-of-digits-is-also-prime/]
Viimati muudetud occasus - Mai 06, 2023 - 15:13:03
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RE: answer is wrong?
Juuli 03, 2023 - 15:11:17 (301d 5h)
Juuli 03, 2023 - 15:11:17 (301d 5h)
I have a same problem but with different numbers.
My numbers are:
1000253 is prime => 1+2+5+3 = 11 is also prime
2000003 is prime => 2+3 = 5 is also prime
My solution is 10002532000003, and my answer is still wrong.
My numbers are:
1000253 is prime => 1+2+5+3 = 11 is also prime
2000003 is prime => 2+3 = 5 is also prime
My solution is 10002532000003, and my answer is still wrong.
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RE: answer is wrong?
Juuli 03, 2023 - 16:34:00 (301d 3h)
Juuli 03, 2023 - 16:34:00 (301d 3h)
You need the first two numbers. there are numbers earlier
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