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!