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write the prime factorization of 25.

write the prime factorization of 25.

less than a minute read 31-03-2025
write the prime factorization of 25.

The prime factorization of a number is finding the prime numbers that multiply together to make that original number. Let's break down how to find the prime factorization of 25.

Understanding Prime Numbers

Before we begin, let's define what a prime number is. A prime number is a whole number greater than 1 that has only two divisors: 1 and itself. For example, 2, 3, 5, 7, and 11 are all prime numbers.

Finding the Prime Factors of 25

To find the prime factorization of 25, we need to find the prime numbers that multiply to equal 25. We can start by dividing 25 by the smallest prime number, 2. Since 25 is not divisible by 2 (it's not an even number), we move on to the next prime number, 3. 25 isn't divisible by 3 either.

The next prime number is 5. And here we find our first factor!

25 รท 5 = 5

We now have 5 x 5 = 25. Since 5 is a prime number, we've found our prime factorization.

Prime Factorization of 25: The Answer

The prime factorization of 25 is 5 x 5, or 52. This means that 5 multiplied by itself (5 squared) equals 25.

Why is Prime Factorization Important?

Understanding prime factorization is fundamental in various areas of mathematics, including:

  • Simplifying fractions: Finding the greatest common divisor (GCD) of two numbers, which is essential for simplifying fractions, relies on prime factorization.
  • Solving algebraic equations: Prime factorization can help simplify complex algebraic expressions.
  • Cryptography: Prime numbers form the basis of many encryption algorithms used to secure online communication.

Practice Makes Perfect!

Try finding the prime factorization of other numbers. Start with small numbers like 12, 18, or 36 and gradually work your way up to larger numbers. Remember to always divide by the smallest prime number first and continue until you're left with only prime numbers.

This process of breaking down numbers into their prime factors might seem simple for a number like 25, but it's a fundamental concept in mathematics with broad applications. Mastering prime factorization will lay a strong foundation for more advanced mathematical concepts.

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