(adsbygoogle = window.adsbygoogle || []).push({}); Why 30 is the largest integer such that none of its....?

Why 30 is the largest integer such that none of its totatives are composite?

which means All the coprime numbers that below 30 are primes..

30=> 7,11,13,17,19,23,29

??????//

and if you have a proof that it is the biggest integer please Help me...

**Physics Forums - The Fusion of Science and Community**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Why 30 is the largest integer such that none of its ?

Loading...

Similar Threads for largest integer such | Date |
---|---|

I Linear mapping of a binary vector based on its decimal value | Mar 23, 2018 |

What is the largest number of mutually obtuse vectors in Rn? | Jan 28, 2016 |

Efficient way to find which element of Z*n has largest order? | Feb 13, 2013 |

Largest Prime Number | Feb 6, 2013 |

The largest number not in the form of ax+by, with gdc(a,b)=1. | Feb 13, 2011 |

**Physics Forums - The Fusion of Science and Community**