OFFSET
1,1
COMMENTS
Note that each prime factor of 299792458 appears with multiplicity 1 in this number.
Giving the speed of light in km/s or cm/s would yield the same prime factors > 5. If time is measured in hours, or distance in miles, feet, inches or similar, then the numerical value of c is no longer an integer.
FORMULA
299792458 = 2 * 7 * 73 * 293339.
MATHEMATICA
FactorInteger[299792458][[All, 1]] (* Paolo Xausa, Jul 02 2024 *)
PROG
(PARI) factor(299 792 458)~[1, ]
CROSSREFS
KEYWORD
fini,full,nonn
AUTHOR
M. F. Hasler, Nov 18 2009
STATUS
approved