Prime Numbers Simulation · Prime Detective Academy

Investigate factor evidence, arrays, sieve patterns, twin primes, and prime building blocks.

Interactive mathematics

Captions & live values

Number

Test divisor

Classification

Current evidence

Factors / primes

Visual step

Learn by exploring

1 / 4

A prime number is a whole number greater than 1 with exactly two distinct factors: 1 and itself.

1 Choose number2 Test divisors3 Count factors4 Classify

Prime classification comes from exact factor evidence, not from guessing by size or appearance.

Experiment

Number to investigate

Test divisor / second prime

Sieve limit

Predict factor count

Show the current equation on canvas

Simulation speed1×

Zoom100%

Factor-count history

Each change adds a point. Tracking a group highlights its contribution.