The prime factorization of 3969 is:
$$ 3969 = 3\cdot3\cdot3\cdot3\cdot7\cdot7 $$Which is the same as :
$$ 3969 = 3^{4}\cdot7^{2} $$Prime factorization can be nicely visualized by creating a factorization tree.
3969 can be written as 3 × 1323. |
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1323 can be written as 3 × 441. |
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441 can be written as 3 × 147. |
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147 can be written as 3 × 49. |
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49 can be written as 7 × 7. |
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The end nodes are the prime factors of the number 3969. |
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