several boy scouts worked together to create a line of 4,900 dominoes. they each placed the same amount of dominoes in the line. there were between 50 and 100 boy scouts working on the line. what are...

several boy scouts worked together to create a line of 4,900 dominoes. they each placed the same amount of dominoes in the line. there were between 50 and 100 boy scouts working on the line. what are all the possible number of boy scout who could have created the domino line?