UPSIDE-DOWN DIVISION OF 91

Upside-down division of 91 is shown below.

(91 = 7 × 13)

DESCRIPTIONS

91 is divisible by 7. Write 7 to the left. When 91 is divided by 7 the result is 13. Write 13 under 91
13 is divisible by 13. Write 13 to the left. When 13 is divided by 13 the result is 1. Write 1 under 13

OTHER INFORMATION

The prime factors of 91 are 7 and 13
Prime factorization of 91 is as following.

Without Exponents: 91 = 7 × 13
With Exponents:91 = 7 × 13

INFORMATION

The solution and descriptions above are generated by the upside-down division calculator. You can use the upside-down division calculator to see the upside-down division of other numbers.

UPSIDE-DOWN DIVISION CALCULATOR
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UPSIDE-DOWN DIVISION

Upside-down division is a method used to find the prime factors and prime factorization of a number.

In this method, we draw a rectangular line and write the number on the RHS. Then we try to find a prime number that divides the number on the right. Once we find such a prime number, we write it on the left. We make the division and write the result under the number. on the RHS and continue the algorithm until we reach 1 on the RHS.

The numbers on the LHS are the prime factors. The prime factorization can be found by multiplying those prime numbers.