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Prime Factorization Calculator
Find the prime factors of any number up to 10 billion. Shows prime factorization in exponential form, all divisors, factor pairs, and whether the number is prime.
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Fonctionnalités Clés — Prime Factorization Calculator
Prime factorization up to 10 billion
Exponential form output (e.g., 2³ × 3²)
All divisors listed
Factor pairs shown
Prime number detection
Step-by-step division process
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Questions Fréquemment Posées — Prime Factorization Calculator
What is prime factorization?
Prime factorization is the process of expressing a number as a product of prime numbers. Every composite integer has a unique prime factorization. For example, 360 = 2³ × 3² × 5. Prime numbers (like 7, 13) cannot be factorized further.
How do you find prime factors?
Divide the number by the smallest prime (2) as many times as possible, then move to the next prime (3, 5, 7…) and repeat until the quotient becomes 1. For 60: 60 ÷ 2 = 30 ÷ 2 = 15 ÷ 3 = 5 (prime). So 60 = 2² × 3 × 5.
How do I know if a number is prime?
A prime number has exactly two divisors: 1 and itself. To test if n is prime, check if any integer from 2 to √n divides it evenly. If none do, it is prime. The calculator checks this automatically and reports prime status.