13446204MMdd/13446204Mmdd_is_not_prime.jl.ipynb

13446204Mmdd_is_not_prime.jl.ipynb

{
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      "source": "versioninfo()",
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          "text": "Julia Version 1.9.0\nCommit 8e630552924 (2023-05-07 11:25 UTC)\nPlatform Info:\n  OS: Linux (x86_64-linux-gnu)\n  CPU: 12 × Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz\n  WORD_SIZE: 64\n  LIBM: libopenlibm\n  LLVM: libLLVM-14.0.6 (ORCJIT, skylake)\n  Threads: 2 on 12 virtual cores\n",
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      "cell_type": "code",
      "source": "]instantiate",
      "execution_count": 2,
      "outputs": []
    },
    {
      "metadata": {
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          "end_time": "2023-05-25T23:17:33.839000+09:00"
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        "trusted": true
      },
      "cell_type": "code",
      "source": "using Dates, Primes",
      "execution_count": 3,
      "outputs": []
    },
    {
      "metadata": {
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          "start_time": "2023-05-25T14:18:42.429Z",
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        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "dt2num(dt) = (year(dt) * 100 + month(dt)) * 100 + day(dt)",
      "execution_count": 4,
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 4,
          "data": {
            "text/plain": "dt2num (generic function with 1 method)"
          },
          "metadata": {}
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        "trusted": true
      },
      "cell_type": "code",
      "source": "dt2num(today())",
      "execution_count": 5,
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 5,
          "data": {
            "text/plain": "20230525"
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        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "dtnums_13446204 = dt2num.(Date(13446204, 1, 1):Day(1):Date(13446204, 12, 31))",
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 6,
          "data": {
            "text/plain": "366-element Vector{Int64}:\n 134462040101\n 134462040102\n 134462040103\n 134462040104\n 134462040105\n 134462040106\n 134462040107\n 134462040108\n 134462040109\n 134462040110\n 134462040111\n 134462040112\n 134462040113\n            ⋮\n 134462041220\n 134462041221\n 134462041222\n 134462041223\n 134462041224\n 134462041225\n 134462041226\n 134462041227\n 134462041228\n 134462041229\n 134462041230\n 134462041231"
          },
          "metadata": {}
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      ]
    },
    {
      "metadata": {
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          "end_time": "2023-05-25T23:20:17.975000+09:00"
        },
        "trusted": true
      },
      "cell_type": "code",
      "source": "all(!isprime, dtnums_13446204)",
      "execution_count": 7,
      "outputs": [
        {
          "output_type": "execute_result",
          "execution_count": 7,
          "data": {
            "text/plain": "true"
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Project.toml

[deps]
Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
Primes = "27ebfcd6-29c5-5fa9-bf4b-fb8fc14df3ae"

[compat]
julia = "1.6"