Prime Factorization Calculator

Prime Factors - Math Calculator is your all-in-one number theory toolkit. Whether you're a student, teacher, or math enthusiast, this app gives you instant answers with step-by-step explanations.

PRIME FACTORIZATION
Enter any number and instantly get its complete prime factorization. Results are displayed clearly and can be copied, shared, or exported to PDF.

FACTOR TREE VISUALIZATION
See how numbers break down visually with color-coded factor trees. Composite numbers appear in blue, primes in pink — making it easy to understand the factorization process at a glance.

GCD & LCM CALCULATOR
Calculate the Greatest Common Divisor or Least Common Multiple of two or more numbers. View all common divisors and follow the step-by-step Euclidean algorithm breakdown.

MATH TOOLS SUITE
Five powerful tools in one place:
• Primality Checker — Test if a number is prime, find nearby primes
• Divisibility Calculator — List all divisors and factor pairs
• Fraction Simplifier — Reduce fractions, convert to mixed numbers and decimals
• Base Converter — Convert between decimal, binary, octal, and hexadecimal
• Modular Arithmetic — Calculate a mod m with modular inverse

CALCULATION HISTORY
All your calculations are saved automatically. Browse, copy, or delete past results anytime. Color-coded badges make it easy to find what you need.

EXPORT & SHARE
Copy results to clipboard, share with friends, or export to PDF — including factor tree visualizations.

KEY FEATURES
✓ 9 math tools in one app
✓ Visual factor tree diagrams
✓ Step-by-step solutions
✓ Calculation history with Room database
✓ Export results to PDF
✓ Copy & share with one tap
✓ Clean Material Design interface
✓ Works offline — no internet required for calculations
✓ Supports large numbers up to 999 billion

Perfect for homework help, exam prep, competitive math, or just exploring numbers.

Recent changes:
• Large numbers no longer freeze the app
• LCM and modular results are correct for big numbers
• 0 and 1 show a clear message