Math & Statistics
Sieve of Eratosthenes Calculator
List all prime numbers up to a given limit.
Your inputs
Change any value to update the result instantly.
Primes found
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Largest prime found
97
Count of primes
25
Formula and working
Mark multiples of each prime as composite up to n
- 1
Collect the inputs
Upper limit = 100
- 2
Apply the formula
Mark multiples of each prime as composite up to n
- 3
Result
Primes found = 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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