Well, darling, jewellery marked 715 typically means it's made of 71.5% pure gold, also known as 18 karat gold. So, basically, you've got yourself a piece of bling that's more valuable than your average costume jewelry, but not quite as fancy as 24 karat gold. Wear it with pride, honey, you've got a little bit of luxury on your hands!
3799 mean on jewellery means a specific set for jewellery marked as category 3799.
Unlikely but possible. most likely this is a silver piece of jewellery
715 is divisible by any of its factors: 1,5,11,13,55,65,143,715 Evidence: 1x715=715 5x143=715 11x65=715 13x55=715
Of course it is "real" - it may, or may not be considered jewellery, but if it exists, it is real.
Pairs of positive integer factors of 715 are: 1 x 715 = 715 5 x 143 = 715 11 x 65 = 715 13 x 55 = 715 And their reverses.
715 as a percent = 71500%715 * 100% = 71500%
.715
143
Any multiple of 715, like 715, 1430, 2145 and so on.
715
715+15 = 730
The factors of 715 are: 1, 5, 11, 13, 55, 65, 143, 715.