Formulas
- Profinite word
- Primality test
- Prime Obsession
- Prime decomposition of 3-manifolds
- Prime manifold
- Prime zeta function
- Primitive abundant number
- Primitive ideal
- Progressively measurable process
- Proizvolov's identity
- Projectionless C*-algebra
- Projective bundle
- Projective line over a ring
- Projective unitary group
- Projectivization