1, 2, 3, 4, 6, 8
1 is a single digit, 0 is the absence of a digit.
The single digit divisors of 420 are: 1,2,3,4,5,6, and 7
3456 is divisible by the single digit numbers 1,2,3,4,6,8,9
The largest one digit number that has three factors is 9. Its factors are 1, 3, and 9.
1, 2, 3, 4, 6, 8
154, 231, 308, 385, 462, 539, 616, 693, 770, 847, 924
One through nine all have single digit factors.
Well, honey, single digit factors of a number are just the numbers that can divide into that number without leaving a remainder. So, for example, the single digit factors of 12 are 1, 2, 3, 4, and 6. It's like finding out who's invited to the party before you start breaking out the cake.
1234679
1, 2, 4, 5, 8
It is: 924
Sure. Any 1-digit number contains only one-digit numbers as factors. Any larger number, on the other hand, contains itself as a factor, so these can be excluded.
The four prime factors are: 2, 3, 7, 11.
1, 2, 3, 4, 6, 8, 9.
924
1