The $\mathrm{HCF}$ of two consecutive natural numbers is

The $\mathrm{HCF}$of two consecutive even numbers is

The $\mathrm{HCF}$ of two consecutive odd numbers is

The $\mathrm{HCF}$ of an even number and an odd number is

The $\mathrm{LCM}$of $24, 36$ and $40$ is

If $x$ and $y$ are two co-primes, then their $\mathrm{LCM}$ is

If the $\mathrm{HCF}$ of two numbers is $16$ and their product is $3072$, then their $\mathrm{LCM}$ is

The least number divisible by $15, 20, 24, 32$ and $36$ is

The smallest number which when diminished by $3$ is divisible by $11, 28, 36$ and $45$, is