Free PDF: The Genius Workout — 50 brain teasers + the 25 highest IQs in history.
Head-to-Head Comparison

Blaise Pascal vs Pierre de Fermat

Blaise Pascal (IQ 185) vs Pierre de Fermat (IQ 175). Side-by-side comparison of intellect, achievements, era and cultural impact.

Blaise Pascal
1623–1662 · FR
185
Estimated IQ
Read full biography →
Pierre de Fermat
b. 1607 · FR
175
Estimated IQ
Read full biography →
Born16231607
Died1662
CountryFRFR
Estimated IQ 185 175
Best known forPascal's lawFermat's Last Theorem

Who had the higher IQ?

By the most cited estimates, Blaise Pascal tops this matchup with an estimated IQ of 185, a 10-point margin over Pierre de Fermat (175). IQ estimates for historical figures are reconstructions, not test results — they sit on top of biographical evidence, productivity, and the difficulty of the problems each person solved. Treat the number as a directional signal, not a verdict.

Achievements compared

Blaise Pascal is best known for: Pascal's law Pierre de Fermat is best known for: Fermat's Last Theorem

Different eras, different boards

The two were born roughly 16 years apart (1623 vs 1607), which matters: scientific tools, available knowledge, and intellectual culture compound. Comparing minds across eras is comparing players on different boards.

The verdict

So who was greater? The honest answer: they're not strictly comparable. By raw IQ proxy, Blaise Pascal edges out. By measurable, lasting influence in their respective field, both are anchors of the human record. If you have to pick one to bet civilization on, pick the one working on the problem you care about.

Frequently Asked

Who had the higher IQ, Blaise Pascal or Pierre de Fermat?
Estimated IQs are 185 for Blaise Pascal and 175 for Pierre de Fermat. Blaise Pascal rates higher by 10 points. Historical IQ figures are reconstructions, not measured scores.
What is Blaise Pascal most famous for?
Pascal's law
What is Pierre de Fermat most famous for?
Fermat's Last Theorem
Did Blaise Pascal and Pierre de Fermat ever meet?
They were contemporaries, though there is no documented direct meeting in our sources.

Related Comparisons

Explore more genius comparisons

See the IQ Rankings →
ENEspañolFrançaisDeutschPortuguês日本語Italiano中文한국어العربيةहिन्दीРусскийTürkçe

Play & come back tomorrow

🔥 Daily Genius Challenge · Genius trivia
Which mathematician proved that no consistent system can prove all truths (incompleteness)?
🧠 Which Genius Are You?📊 Free IQ Test