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What is a prime number? A number is prime when it is only divisible by 1 and itself. Help your little mathematician recognize prime numbers.

Students continue to hone their understanding of how to find the least common multiple in this math practice worksheet! 

Learn to identify prime and composite numbers in this guided worksheet!

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

Students build their number sense by finding the multiples of whole numbers in this fourth-grade math worksheet!

Practice identifying factors with this beach-themed worksheet for fourth graders!

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

Take a deep dive into prime and composite numbers to 20 with this exploratory worksheet!

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!