Which is the prime factorisation of 630?
Answer and explanation
Correct answer: (2\times3^2\times5\times7)
Step 1: Write (630=63\times10). Step 2: (63=3^2\times7) and (10=2\times5), so (630=2\times3^2\times5\times7). Step 3: Do not keep 9 or 35 in the final form.
Frequently asked questions
What is the correct answer to this question?
(2\times3^2\times5\times7)
Why is this the correct answer?
Step 1: Write (630=63\times10). Step 2: (63=3^2\times7) and (10=2\times5), so (630=2\times3^2\times5\times7). Step 3: Do not keep 9 or 35 in the final form.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.