Which is the prime factorisation of 1470?
Answer and explanation
Correct answer: (2\times3\times5\times7^2)
Step 1: Write (1470=30\times49). Step 2: (30=2\times3\times5) and (49=7^2), so (1470=2\times3\times5\times7^2). Step 3: Convert 49 into (7^2).
Frequently asked questions
What is the correct answer to this question?
(2\times3\times5\times7^2)
Why is this the correct answer?
Step 1: Write (1470=30\times49). Step 2: (30=2\times3\times5) and (49=7^2), so (1470=2\times3\times5\times7^2). Step 3: Convert 49 into (7^2).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.