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Basic Math Examples
Popular Problems
Basic Math
Determine if Prime or Composite 18
18
18
Step 1
Find the
prime factorization
of
18
18
.
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Step 1.1
18
18
has
factors
of
2
2
and
9
9
.
2
⋅
9
2
⋅
9
Step 1.2
9
9
has
factors
of
3
3
and
3
3
.
2
⋅
3
⋅
3
2
⋅
3
⋅
3
2
⋅
3
⋅
3
2
⋅
3
⋅
3
Step 2
Since
18
18
has
factors
other than
18
18
and
1
1
,
18
18
is a
composite
number.
18
18
is a
composite
number
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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