BASIC MATH EXAMPLES


UPSIDE-DOWN DIVISION: UPSIDE-DOWN DIVISION OF 80


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UPSIDE-DOWN DIVISION OF 80

Upside-down division of 80 is shown below.

208204202201551

(80 = 24 × 5)

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DESCRIPTIONS

  • 80 is divisible by 2. Write 2 to the left. When 80 is divided by 2 the result is 40. Write 40 under 80
  • 40 is divisible by 2. Write 2 to the left. When 40 is divided by 2 the result is 20. Write 20 under 40
  • 20 is divisible by 2. Write 2 to the left. When 20 is divided by 2 the result is 10. Write 10 under 20
  • 10 is divisible by 2. Write 2 to the left. When 10 is divided by 2 the result is 5. Write 5 under 10
  • 5 is divisible by 5. Write 5 to the left. When 5 is divided by 5 the result is 1. Write 1 under 5
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OTHER INFORMATION

  • The prime factors of 80 are 2 and 5

  • Prime factorization of 80 is as following.

    • Without Exponents: 80 = 2 × 2 × 2 × 2 × 5

    • With Exponents:80 = 24 × 5

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

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.

OTHER FEATURES OF 80

👉 Click here to see the factor tree of 80

👉 Click here to see the factors of 80

👉 Click here to see the prime factors of 80

👉 Click here to see the prime factorization of 80

 

EXAMPLES

Upside-Down Division Examples