Biggest / Smallest Think like genius as quick as you can. Medium by omg More quizzes in Science and Education Which is the greatest number? #hard 2019 9901 9099 5039 1029 Which is the smallest number? #hard 7073 0377 3707 7703 3770 Which is the greatest number? #hard 7531 7153 7351 7513 7135 Doing great! Continue in HICHAPP