Question

The LCM of two prime numbers p and q (where p less than q) is 323 then find the value of 2p-q

Answer 1

17x19=323

so p=17
q=19

2p-q =34-19=15.

Answer 2

The value of 2p - q = 15

Given :

The LCM of two prime numbers p and q (where p less than q) is 323

To find :

The value of 2p - q

Solution :

Step 1 of 2 :

Find the numbers p and q

Here it is given that LCM of two prime numbers p and q is 323

We know that LCM of two prime numbers is product of two numbers

Now 323 = 17 × 19

Since p < q

∴ p = 17 , q = 19

Step 2 of 2 :

Find the value of 2p - q

2p - q

= ( 2 × 17 ) - 19

= 34 - 19

= 15

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