Prime numbers are numbers that have only 2 factors: 1 and themselves. For example, the first 5 prime numbers are 2, 3, 5, 7, and 11. By contrast, numbers with more than 2 factors are call composite numbers.

1. Subject=Mathematics
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2. What is a Prime
number:
 A number that is divisible only
by itself and 1
 A prime number is a natural
number greater than 1 that is
not a product of two smaller
natural numbers.
 A prime number is a whole
number that has exactly 2
different factors,1 and itself.
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3. Let’s take an
example
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4. Problem involving a
Prime Number
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5. What is Prime
Factorisation:
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6. Example of Prime
factorisation
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7. Whole Numbers:
 A number without fractions; an
integer.
 An integer is friendly defined
as a number that can be written
without a fractional
component. For example, 21, 4,
0, and −2048 are integers, while
9.75, 5+, and √2 are not.
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8. Classifying Whole
numbers:
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9. What is Composite
Number:
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