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The only prime factor of 81 is 3. 81 = 3 x 3 x 3 x 3 or 3^4
The prime factor of 81 is 3
The only prime factor of 81 is 3.
The only prime factor of 81 is: 3
3 only as 81 is a four time multiple of 3

3x3x3x3= 81

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โˆ™ 2017-10-12 08:57:01
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Q: What are the prime factors of 81?
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