The multiple of 7 that is a factor of 7 is 7 itself. A factor is a number that divides another number evenly without leaving a remainder. Since 7 divided by 7 equals 1, and there is no remainder, 7 is a factor of itself.
In general, a factor of a number can be obtained by taking multiples of that number. The multiples of 7 include 7, 14, 21, 28, etc. Among these multiples, only 7 can divide 7 evenly. Therefore, 7 is the only multiple of 7 that is also a factor of 7.