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Prime in sentence

1821 examples of Prime in a sentence

Today we're going to talk about prime numbers.
Most of you I'm sure remember that six is not prime because it's 2 x 3. Seven is prime because it's 1 x 7, but we can't break it down into any smaller chunks, or as we call them, factors.
Now a few things you might like to know about prime numbers.
One is not prime.
Another thing about primes, there is no final biggest prime number.
But the third thing about prime numbers, mathematicians have always wondered, well at any given moment in time, what is the biggest prime that we know about?
Today we're going to hunt for that massive prime.
31 is a prime number, and that five in the power is also a prime number.
And the vast bulk of massive primes we've ever found are of that form: two to a prime number, take away one.
But as soon as we go hunting for massive primes, we realize it's not enough just to put in any prime number in the power.
He proved it was prime with nothing more than a quill, ink, paper and his mind.
Look at it here: 39 digits long, proven to be prime in 1876 by a mathematician called Lucas.
Sometimes proving another number not to be prime is just as exciting.
These are the largest prime numbers we knew decade by decade, each one dwarfing the one before as computers took over and our power to calculate just grew and grew.
This is the largest prime number we knew in 1996, a very emotional year for me.
And during that time, since I've left university, these numbers have got bigger and bigger, each one dwarfing the last, until along came this man, Dr. Curtis Cooper, who a few years ago held the record for the largest ever prime, only to see it snatched away by a rival university.
There was a tweet: "Adam, have you seen the new largest prime number?"
Here's a slide of the first 1,000 digits of this prime.
This number is 17 and a half thousand slides long, and we know it is prime as confidently as we know the number seven is prime.
First of all, as I explained, to ask a computer "Is that number prime?" to type it in its abbreviated form, and then only about six lines of code is the test for primacy, is a remarkably simple question to ask.
Large prime numbers are a great way of testing the speed and accuracy of computer chips.
But secondly, as Curtis Cooper was looking for that monster prime, he wasn't the only guy searching.
The discovery of that prime is similar to the work people are doing in unraveling RNA sequences, in searching through data from SETI and other astronomical projects.
That's what is so exciting for me about this prime number.
In 2005, our prime minister was assassinated, and the country came to a complete standstill, so we organized a five-kilometer United We Run campaign.
The country was divided again, so much that our parliament resigned, we had no president for a year, and no prime minister.
Well, to understand that, we need to understand why cities are special, why mayors are so different than prime ministers and presidents, because my premise is that a mayor and a prime minister are at the opposite ends of a political spectrum.
To be a prime minister or a president, you have to have an ideology, you have to have a meta-narrative, you have to have a theory of how things work, you have to belong to a party.
Believe it or not, this is a quote from an Israeli prime minister, but it's not Ben-Gurion or Golda Meir from the era of the Shah.
And there's no doubt in my mind that I am at the prime of my life today.
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