A factor of a number is an exact divisor of that number. In other words, a factor of a number is that number which completely divides the number without leaving a remainder. Each of the numbers 1, 2, 3, 4, 6 and 12 is a factor of 12. However, none of the numbers 5, 7, 8, 9,10 and 11 is a factor of 12.
A natural number is called a prime or a prime number if it has exactly two distinct natural number divisors. Natural numbers greater than 1 that are not prime are called composite. Therefore, 1 is not prime, since it has only one divisor, namely 1. However, 2 and 3 are prime, since they have exactly two divisors.In number theory, the prime factors of a positive integer are the prime numbers that divide that integer exactly, without leaving a remainder. Numbers that are not prime is called composite. 20 is a composite number. Examples of prime numbers are 2, 3, 5, 7, 11 and 13.
Prime Factors of 25
The Factors are numbers you multiply to get other number. For instance, the factors of 30 are 6 and 5, because 6×5 = 30. Some numbers are more than one factor (more than one way of being factorization). For instance, 15 can be factored as the 1×15, 3×5, or 5×3.
The number that can only be factor as 1 times itself is called prime. The few prime’s numbers are 2, 3, 5, 7, 11, and 13. The number 1 is not regard as to a prime, and is usually not included in factorizations.
Prime factors of 25 – Example problems:
Find the prime factors of 25
Prime factors of 25
25 = 5 * 5
= 52 = Prime factors of 25 = 52
In our next blog we shall learn about integration formulas
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