Discover how to generate unique random numbers in Excel. Essentially, how to generate random numbers in excel without duplicates within a range, with non repeating random number generator excel.
Using Excel to use to get number with no duplicates. Note that RANDBETWEEN() does not work for our purpose.
Excel provides a quick and efficient way to generate random unique numbers by using the SORTBY, SEQUENCE, and RANDARRAY functions. To begin, you can use the SEQUENCE function to create a list of sequential numbers in a column. Next, you can use the RANDARRAY function to generate a random array of numbers in another column. By using the SORTBY function, you can sort the sequential numbers based on the random array, which will result in a list of sequential numbers in random order. Finally, by using the UNIQUE function, you can extract a list of unique random numbers from the sorted list. This method is highly efficient as it avoids the need for complex formulas or VBA code and is ideal when you need to generate a list of unique random numbers quickly and efficiently.
Generate Random Numbers
=RANDBETWEEN(1,13)
Generate Unique Random Numbers
=SORTBY(SEQUENCE(13),RANDARRAY(13))
Here is the explanation of the formula.
1) In a cell, type =SEQUENCE(13) to generate a list of numbers from 1 to 13.
2) The =RANDARRAY(13) to generate an array of 13 random numbers between 0 and 1.
3) The =SORTBY(), reorganizes the sequence of numbers from SEQUENCE() based on number generated by RANDARRAY().
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