OML Search

Composite and Prime Numbers


Examples, solutions, videos, stories and songs to help Grade 4 students learn about composite numbers.

Related Topics:
More Lessons for Grade 4
Math Worksheets



 
Prime and Composite Numbers
Prime numbers are numbers with exactly 2 factors.
Example:
Which of the following numbers are prime numbers?



Prime Numbers and Composite Numbers
A Prime Number can be divided evenly only by 1 or itself.
And it must be a whole number greater than 1.
Prime and Composite Numbers 1 to 100 - What are they? Prime number: has exactly 2 factors: 1 and itself.
Composite numbers: has more than 2 factors.
The number 1 is neither a prime nor a composite number.
The prime numbers from 1 to 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.


[?] Subscribe To This Site

XML RSS
follow us in feedly
Add to My Yahoo!
Add to My MSN
Subscribe with Bloglines