7, 28, 49, 63, 105 is the series of multiples of 7 using 0-9 only once.
Zero is a multiple of any integer. We generally don't list it, using only the non-trivial multiples.
Any number using each of the digits once will be a multiple of 3: eg 1597864302
-9
Multiples of the multiples of 10
7, 28, 49, 63, 105 is the series of multiples of 7 using 0-9 only once.
Five multiples of three that use each digit from 0 to 9 only once are: 12, 30, 45, 69, and 87.
That's not going to work. Multiples of 5 end in 5 or 0. With three numbers, one of those would have to repeat.
Any number using each of the digits once will be a multiple of 3: eg 1597864302
Imposible.
Zero is a multiple of any integer. We generally don't list it, using only the non-trivial multiples.
2,5,13,647,809
No No
NO besause 5s multiples are only numbers that end with 0 and 5s so no.....!!!
-9
103 and 301
7x(2-1)=7 7x(5-3)=14 7x(9-6)=21 7x(8-4)=28 7x(7+0)=49 7, 14, 28, 56. 903