Who is better: Carol Vorderman or Rachel Riley?

[Mark Deeks]

Speaking to Rachel is much more fun than speaking to Gev, let's be honest.

You do need to build up a rapport for when she's your co-host, I suppose, so it's just as well you think that.

About as much chance of me hosting it as you appearing on it.

[Martin Bishop]

I wouldn't recommend discussing politics with Carol, though...

Why on earth not?

She made an embarrassing appearance on Question Time a few years ago. She clearly knew very little beyond what she reads in the Daily Mail and approached every subject with the sort of indignant moral outrage one would expect.

[Gavin Chipper]

Can someone explain the magic in "the product of two primes", Rachel mentions it often and I feel I should know it but I'm afraid it has escaped me. Thanks.

I think it's just that there is a way of getting the target by multiplying 2 smaller numbers, but only one so it's hard to spot.

If someone gets a solution like 17×23 it's quite clever because it doesn't break down any further and it's hard to spot. But unless they're both at least 13, it's not any cleverer than any other solution and not particularly interesting so I'm not sure why she mentions it.

[Jamie Weisenberg]

Carol Vorderman looks better and is smarter.

[Ian Fitzpatrick]

Carol Vorderman looks better and is smarter.

Which day was that?