Question Number 14949 by Tinkutara last updated on 05/Jun/17

Find the largest prime factor of 203203.  Anyone please suggest the method  without calculators or log tables.

Commented byRasheedSoomro last updated on 05/Jun/17

203203=203000+203=203(1000+1)  =203×1001. Only factorizing, not  the largest prime. But now 203 and  1001 can be more easily factorized  with normal trial method.And after   that selecting the lorgest is easy one.  203=29×7  1001=13×11×7  The largest is 29

Commented byTinkutara last updated on 06/Jun/17

Thanks Sir!