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[deleted] 10/20/23 2:02:48 PM #4: |
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[deleted] 10/20/23 3:03:11 PM #10: |
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[deleted] 10/20/23 3:03:11 PM #12: |
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FLOUR 10/20/23 4:53:39 PM #1: |
Here Phi represents Euler's totient function, which counts the total number of integers less than x that are relative prime to x. For example, Phi(10) = 4 since 1,3,7,9 are relatively prime to 10. In this case, Phi(10)/10 equals 2/5 which is way less than .999 and isn't a candidate. Also, this does not include N=1, which is an ambiguous case.
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dummy420 10/20/23 4:54:28 PM #2: |
Are you trying to summon Satan or something?
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MatzoTov 10/20/23 4:54:30 PM #3: |
The smallest integer N such that (N)/N > 0.999 is N = 3.
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Frostshock 10/20/23 5:02:33 PM #5: |
1 obviously.
Other than that, the smallest prime number above 1000. --- Got questions about schoolwork? Want to share answers, or discuss your studies? Come to Homework Helpers! http://www.gamefaqs.com/boards/1060-homework-helpers ... Copied to Clipboard!
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LSGW_Zephyra 10/20/23 5:03:08 PM #6: |
Is this one of those 1 = .99999~ things?
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Paragon21XX 10/20/23 5:05:13 PM #7: |
The phi(N) of a prime number is always N-1, so the smallest prime where phi(N)/N>0.999 is 1009.
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BewmHedshot 10/20/23 5:08:54 PM #8: |
The density of primes is asymptotically proportional to 1 / ln(N) so the crossover point is probably somewhere around e^1000 or roughly 10^434. If there is some number lower than that which simply happens to exist in a particularly prime-sparse portion of the number line you'd likely have to find it via brute force. Oh relative prime I misread oh well. ... Copied to Clipboard!
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FLOUR 10/20/23 5:09:35 PM #9: |
Yup, it's 1009. Now for what values of N is Phi(N)/N = .5 ?
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Robot2600 10/20/23 5:21:39 PM #11: |
1 is not prime. do we count it anyway for the phi function?
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Robot2600 10/20/23 5:23:31 PM #13: |
also, ChatGPT will solve this for you if that's all this is about
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Nota214 10/20/23 5:24:23 PM #14: |
The smallest integer N is n. Just look at it. It's right there in the word integer. ... Copied to Clipboard!
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Robot2600 10/20/23 5:25:30 PM #15: |
cause it seems like literally nothing will work. You can't have more primes inside a series of integers than the N, like ever.
so 2, i guess is the answer. phi(2) = 2 [1, 2] 2/2 = 1 1 > .999 --- --- ... Copied to Clipboard!
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Robot2600 10/20/23 5:25:59 PM #16: |
3 also works and then nothing else works
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Tyranthraxus 10/20/23 5:26:36 PM #17: |
Robot2600 posted...
1 is not prime. do we count it anyway for the phi function?Question just asked about integer not prime. 1 works --- It says right here in Matthew 16:4 "Jesus doth not need a giant Mecha." https://i.imgur.com/dQgC4kv.jpg ... Copied to Clipboard!
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Robot2600 10/20/23 5:28:02 PM #18: |
Tyranthraxus posted...
Question just asked about integer not prime. he said "Also, this does not include N=1, which is an ambiguous case." --- --- ... Copied to Clipboard!
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LSGW_Zephyra 10/20/23 7:26:36 PM #19: |
Math nerds are cute
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lderivedx 10/20/23 8:04:31 PM #20: |
FLOUR posted...
Yup, it's 1009. Now for what values of N is Phi(N)/N = .5 ? 2^k for k \geq 1 and no others. --- i cant get off unless we're violating at least four OSHA regulations ... Copied to Clipboard!
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Robot2600 10/23/23 8:39:26 AM #21: |
not even a ty for doing this guy's hw smh
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