Math Slice
Math Slice: Least Common Multiple: Math Worksheets
This tool allows you to create worksheets where students must find the lowest common factor in a set of two to four whole numbers.
Math Slice
Math Slice: Greatest Common Divisor (Factor): Math Worksheets
This tool allows you to create worksheets where students must find the greatest common factor in a set of two to four whole numbers.
University of Cambridge
University of Cambridge: Nrich: A Conversation Piece
On this one page website sharpen your logic, division and prime number recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Grouping Goodies
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
Shmoop University
Shmoop: Basic Operations: Prime Factorization
Students learn about prime factorization. The resource consists of notes, step-by-step examples, and practice problems with solutions.
National Council of Teachers of Mathematics
The Math Forum: How Do You Find Prime Numbers?
This site explains prime number theory and how to find prime numbers.
ClassFlow
Class Flow: Working With Prime and Composite Numbers
[Free Registration/Login Required] This flipchart allows students to practice working with prime and composite numbers. Students learn how to do prime factorization.
ClassFlow
Class Flow: Factoring, Prime and Composite
[Free Registration/Login Required] This flipchart defines factors, prime number, and composite numbers. It gives step-by-step instructions on how to list all the factors of a whole number and then identify the number as a prime number or...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Prime Factorization
Find a quick, concise explanation of how to find the unique prime factorization of a number. An example is given and clearly explained.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Criba De Eratostenes
Reinforce your knowledge about prime and composite numbers. Geogebra plugin required.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Primos Gemelos
A twin prime is a prime number that differs from another prime number by two. Learn about them with these exercises.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Divisores Y Primos
Reinforce your knowledge on prime numbers and their divisors.
Purple Math
Purplemath: Factoring Numbers
Visit Purplemath.com for a lesson on finding the prime factorization of numbers. Numerous examples are worked through step by step.
Quia
Ixl Learning: Prime and Composite Numbers
Brush up on your math skills relating to prime and composite numbers then try some practice problems to test your understanding.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Prime Number?
Explains prime numbers and gives examples.
Mocomi & Anibrain Digital Technologies
Mocomi: What Are Factors and Multiples?
Explores factors and multiples and the difference between them.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Factor in Math?
Explains common factor, greatest common factor, and lowest common factor.