Omega(N)=2

Regards,

Maximilian

On Mon, Jun 25, 2012 at 12:58 PM, john saccuan <saccuan.john@...>wrote:

> **

>

>

> Sir,

>

> Can any body can give me a formula for N=xy where N given and x&y are both

> unknown prime numbers.

>

> Ex.

>

> N={143,187,209,221,247,253,299,319......}

>

>

>

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