The factor tree for 3,025 is shown.

A factor tree starts with 3,025 at the top. 3,025 branches down to 5 on the left and 605 to the right. 605 branches down to 5 on the left and 121 on the right. 121 branches down to 11 on the left and 11 on the right.

What is the simplest form of StartRoot 3,025 EndRoot?