What is the prime factorisation of 360?
A$2^3 \times 3 \times 5^2$
B$2^3 \times 3^2 \times 5$
C$2^2 \times 3^3 \times 5$
D$2 \times 3^2 \times 5^2$
Answer & Solution
Correct answer: B. $2^3 \times 3^2 \times 5$
360 = 8 × 45 = 2³ × 9 × 5 = 2³ × 3² × 5. Verify: 8 × 9 = 72, 72 × 5 = 360.
Related questions
If the number x4738 is divisible by 9, what is the value of x?The least common multiple (LCM) of 14, 42 and 77 is:If the number x3339 is divisible by 11, what is the digit x?The HCF of 156, 312 and 195 is:What is the HCF of 16, 72 and 28?Which of the following numbers is NOT a perfect cube?What is the three-digit number which is 2 more than a perfect square and 2 less than a perWhat is the square of 349?