The prime factorization of 99905 is:
$$ 99905 = 5\cdot13\cdot29\cdot53 $$Prime factorization can be nicely visualized by creating a factorization tree.
| 99905 can be written as 5 × 19981. |
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| 19981 can be written as 13 × 1537. |
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| 1537 can be written as 29 × 53. |
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| The end nodes are the prime factors of the number 99905. |
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