Composite and Prime Numbers
Examples, solutions, videos, stories and songs to help Grade 4 students learn about composite numbers.
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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
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.
Check out more Solitaire games here.
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