Which is the prime factorisation of 28224?
Answer and explanation
Correct answer: (2^6\times3^2\times7^2)
Step 1: Write (28224=64\times441). Step 2: (64=2^6) and (441=3^2\times7^2), so (28224=2^6\times3^2\times7^2). Step 3: Write 441 as prime powers.
Frequently asked questions
What is the correct answer to this question?
(2^6\times3^2\times7^2)
Why is this the correct answer?
Step 1: Write (28224=64\times441). Step 2: (64=2^6) and (441=3^2\times7^2), so (28224=2^6\times3^2\times7^2). Step 3: Write 441 as prime powers.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.