The prime factorization of 16777216 is:
$$ 16777216 = 2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2\cdot2 $$Which is the same as :
$$ 16777216 = 2^{24} $$Prime factorization can be nicely visualized by creating a factorization tree.
| 16777216 can be written as 2 × 8388608. |
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| 8388608 can be written as 2 × 4194304. |
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| 4194304 can be written as 2 × 2097152. |
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| 2097152 can be written as 2 × 1048576. |
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| 1048576 can be written as 2 × 524288. |
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| 524288 can be written as 2 × 262144. |
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| 262144 can be written as 2 × 131072. |
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| 131072 can be written as 2 × 65536. |
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| 65536 can be written as 2 × 32768. |
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| 32768 can be written as 2 × 16384. |
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| 16384 can be written as 2 × 8192. |
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| 8192 can be written as 2 × 4096. |
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| 4096 can be written as 2 × 2048. |
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| 2048 can be written as 2 × 1024. |
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| 1024 can be written as 2 × 512. |
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| 512 can be written as 2 × 256. |
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| 256 can be written as 2 × 128. |
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| 128 can be written as 2 × 64. |
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| 64 can be written as 2 × 32. |
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| 32 can be written as 2 × 16. |
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| 16 can be written as 2 × 8. |
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| 8 can be written as 2 × 4. |
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| 4 can be written as 2 × 2. |
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| The end nodes are the prime factors of the number 16777216. |
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