Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.

Practice calculating the least common multiple (LCM) of two numbers with this useful worksheet!

Use this number theory worksheet to practice finding the greatest common factor of two numbers by finding the prime factorization! 

Students build their number sense as they practice finding the least common multiple of whole numbers in this two-page math worksheet.