By prime factorisation method factorize 400 and find the sum of prime numbers involved.
Answers
Answer:
The orange divisor(s) above are the prime factors of the number 400. If we put all of it together we have the factors 2 x 2 x 2 x 2 x 5 x 5 = 400. It can also be written in exponential form as 24 x 52.
Step-by-step explanation:
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Answer:
Prime factorization or prime factor decomposition is the process of finding which prime numbers can be multiplied together to make the original number.
Finding the prime factors of 400
To find the prime factors, you start by dividing the number by the first prime number, which is 2. If there is not a remainder, meaning you can divide evenly, then 2 is a factor of the number. Continue dividing by 2 until you cannot divide evenly anymore. Write down how many 2's you were able to divide by evenly. Now try dividing by the next prime factor, which is 3. The goal is to get to a quotient of 1.