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

Test your multiplication and division skills with this least common multiple (LCM) worksheet!

Grow students’ math skills with more practice finding the greatest common factor by using factor trees to find the prime factorization.

Find the greatest common factor (GCF) using the prime factorization method with this sixth-grade practice worksheet!

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