The prime factorization of 441 is:
Which is the same as :
Prime factorization can be nicely visualized by creating a factorization tree.
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 441. |
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