Question

(117)^2 - (112)^2 is

a prime no
an even composite no
an odd prime no
odd composite no​

Answer 1

117²  - 112²  is odd composite number

Step-by-step explanation:

117²  - 112²

using a² - b²  = (a + b)(a - b)

Here

a = 117

b = 112

=> 117²  - 112²  = (117 + 112) ( 117 - 112)

= 229 * 5

= 1145

it has two factors (229 & 5) other than 1 and number itself

so number is composite

as it does not have any factor as 2

Hence number is odd composite number

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