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Show the divisibility for 73 in terms of 2,3,4,5,6,7,8,9,10,11

Divisibililty Check for 2

A number is divisible by 2 if the last digit ends in 0,2,4,6,8The last digit of 73 is 3
Since 3 is not equal to 0,2,4,6,8, then 73 is not divisible by 2

Divisibililty Check for 3

A number is divisible by 3 if the sum of it's digits ends is divisible by 3The sum of the digits for 73 is 7 + 3 = 10
Since 10 is not divisible by 3, then 73 is not divisible by 3

Divisibililty Check for 4

A number is divisible by 4 if the last two digits are divisible by 4The last 2 digits of 73 are 73
Since 73 is not divisible by 4, then 73 is not divisible by 4

Divisibililty Check for 5

A number is divisible by 5 if it ends with a 0 or 5The last digit of 73 is 3
Since 3 is not equal to 0 or 5, then 73 is not divisible by 5

Divisibililty Check for 6

A number is divisible by 6 if it is divisible by both 2 and 3Since 73 is not divisible by 2 and 3, then 73 is not divisible by 6

Divisibililty Check for 7

To see if 73 is divisible by 7, we multiply each respective digit by 1,3,2,6,4,5 working backwards and repeat as necessary3(1) + 7(3) = 25
Since 25 is not divisible by 7, then 73 is not divisible by 7

Divisibililty Check for 8

A number is divisible by 8 if the last three digits are divisible by 8The last 2 digits of 73 are 73
Since 73 is not divisible by 8, then 73 is not divisible by 8

Divisibililty Check for 9

A number is divisible by 9 if the sum of it's digits is divisible by 9.The sum of the digits for 73 is 7 + 3 = 10
Since 10 is not divisible by 9, then 73 is not divisible by 9

Divisibililty Check for 10

A number is divisible by 10 if it ends with a 0The last digit of 73 is 3
Since 3 is not equal to 0, then 73 is not divisible by 10

Divisibililty Check for 11

A number is divisible by 11 if the sum of the odd digits - the sum of the even digits = 0 or is a multiple of 11

Sum the odd digits:

73
7
Odd Sum = 7

Sum the even digits:

73
3
Even Sum = 3

Take the difference of the odd sum and the even sum:

Δ = Odd Sum - Even Sum
Δ = 7 - 3
Δ = 4

Divisibility Check:

Because Δ / 11 is not an integer = 6.6363636363636, then 73 is NOT divisible by 11

How does the Factorization Calculator work?

Free Factorization Calculator - Given a positive integer, this calculates the following for that number:
1) Factor pairs and prime factorization and prime power decomposition
2) Factors and Proper Factors 3) Aliquot Sum
This calculator has 1 input.

What 3 formulas are used for the Factorization Calculator?

Find all pairs that have a product equal to the number you want to factor
For factors in step 1, find the prime factorization for each number

For more math formulas, check out our Formula Dossier

What 7 concepts are covered in the Factorization Calculator?

aliquot sumaliquot sum is the sum of all the factors of a number except the number itselfdigitAny of the numbers (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) used to construct a numberfactora divisor of an integer n, also called a factor of n, is an integer m that may be multiplied by some integer to produce n.factorizationpowerhow many times to use the number in a multiplicationprime numbera natural number greater than 1 that is not a product of two smaller natural numbers.sumthe total amount resulting from the addition of two or more numbers, amounts, or items

Example calculations for the Factorization Calculator

Factorization Calculator Video

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