Question

Owen had three different kinds of stickers that he wanted to put on paper. he put a bird sticker on every 30th paper, a sport sticker on every 50th paper and a robot sticker on every 60th paper. will any of the first 600 pages have all three stickers? if so, which pages?

Answer 1

60
120
180
240
300! this number can you divide by 60, 50 and 30
360
420
480
540
600! this number too