The Fundamental Theorem of Arithmetic

 The product of two numbers is $640$. If the HCF is $16$ then the LCM is _____ .

Find the HCF as well as LCM of $90$ and $144$.

Prime factors of $4050$ is

LCM of two or more _____ numbers is equal to their product. (composite$/$prime$/$irrational$/$negative)

The HCF of numbers of the form $2^m$ and $3^n$ is _____.

If $p, q$ are two co-prime numbers, then $HCF\left(p, q\right)$ is:

Given that $HCF\left(2520, 6600\right)=120, LCM\left(2520, 6600\right)=252\times k,$ then the value of $k$ is:

Find the largest possible positive integer that will divide $125,162$ and $259$ leaving remainder $5,6$ and $7$ respectively.

If $n$ is any natural number, then which of the following expression ends with $0$?

$\mathrm{LCM}$ of $\left(2^3\times 3\times 5\right)$ and $\left(2^4\times 5\times 7\right)$ is

Which of the following is a pair of co-primes?

There is a circular path around a sports field. Sonia takes $18$ minutes to drive one round of the field, while Ravi takes $12$ minutes for the same. Suppose they both start at the same point and at the same time, and go in the same direction. After how many minutes will they meet again at the starting point?

Find the $\mathrm{L}\mathrm{C}\mathrm{M}$ and $\mathrm{H}\mathrm{C}\mathrm{F}$ of $336$ and $54$ and verify that $\mathrm{L}\mathrm{C}\mathrm{M}\times \mathrm{H}\mathrm{C}\mathrm{F}=$ product of the two numbers.