Math and Arithmetic

# Prime factorization of 81?

###### Wiki User

###### October 21, 2009 11:48PM

3x3x3x3

## Related Questions

###### Asked in Math and Arithmetic

### What is the LCM of 81 and 70?

Method of prime factorization is one of the best methods to find
L.C.M.
Prime factorization of 81 = 3x3x3x3
Prime factorization of 70 = 2x5x7
It is clear that nothing is common in Prime Factorization of
both numbers.
Also, L.C.M. = Product of common numbers x Product of uncommon
factors
So, L.C.M. of 81 and 70 = Product of 81 and 70(Because nothing
is common in 71 and 80) = 81 x 70 = 5670