The prime factorization of 961 is:
$$ 961 = 31\cdot31 $$Which is the same as :
$$ 961 = 31^{2} $$Prime factorization can be nicely visualized by creating a factorization tree.
| 961 can be written as 31 × 31. |
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| The end nodes are the prime factors of the number 961. |