UPSIDE-DOWN DIVISION OF 42

Upside-down division of 42 is shown below.

(42 = 2 × 3 × 7)

DESCRIPTIONS

42 is divisible by 2. Write 2 to the left. When 42 is divided by 2 the result is 21. Write 21 under 42
21 is divisible by 3. Write 3 to the left. When 21 is divided by 3 the result is 7. Write 7 under 21
7 is divisible by 7. Write 7 to the left. When 7 is divided by 7 the result is 1. Write 1 under 7

OTHER INFORMATION

The prime factors of 42 are 2, 3 and 7
Prime factorization of 42 is as following.

Without Exponents: 42 = 2 × 3 × 7
With Exponents:42 = 2 × 3 × 7

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.