The 2/3/5/7-smooth integers [Les entiers 2/3/5/7-friables].
Nota: The 2/3/5/7-smooth numbers are coded using respectively the following colors: {red,green,orange,white}.
The other numbers are dark blue.
The so-called 2/3/5/7-smooth integers are the integer numbers with prime factors not greater than 2/3/5/7
and then easy to factorize. They can be seen on this picture where the vertical segments are white inside [2,1023].
See some related pictures (including this one):
(CMAP28 WWW site: this page was created on 09/22/2022 and last updated on 11/07/2022 14:30:10 -CET-)
