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Q: How do you know that any remaining number less than 100 must be prime?

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You try dividing it by all prime numbers less than of equal to its square root.

The largest prime number less than 50 is 47.

Two is the smallest prime number less than 100.

9797 is the largest prime number less than 100.

47 is the greatest prime number less than 48.

The greatest prime number less than 200 is 199.

The lowest prime number that is less than 37 is 29.

the greatest prime number less than 200 is 199

67 will be the largest prime number less than 70.

It is a number 1 less than a prime number. There is nothing else that can be said about it that is invariably true.

19 is a prime number less then 20

How about: 157

The first prime number that is less than 100 would be "97".

Of the 1499 numbers less than 1500, number 1 is neither prime nor composite, 239 are primes, and the remaining 1259 are composites.

The smallest prime number is 2.

What I do is start with 2's and 5's because they're easiest, since every even number is evenly divisible by 2 and every whole number ending in 5 or 0 is evenly divisible by 5. Then I start from 3 going through the prime numbers, dividing the remaining part of the number by each prime number on a calculator to see if the quotient is a whole number. I continue whittling away at the number in that way with each prime number in order until the quotient I get is less than the prime number divisor I tried; at that point I know that what's left over must be a prime number.

There are 49 even numbers less than 100, but only the number 2 is an even prime number less than 100.

Yes, 887 is a prime number. Recall that if a number is not prime then there exists a prime less than the square root of the number and this prime divides the number. So we need to check if the primes less than 30 divides 887 or not. These primes are 2,3,5,7,11,13,17,19,23,29.

The total number of prime numbers less than 100 is 25.

97 is the largest prime number less than one hundred.

97 is the largest prime number less than one hundred.

The smallest prime number is 2 and the greatest prime number less than 100 is 97. The required product is: 2 x 97 = 194.

The lowest prime number is 2. The highest prime number less than 100 is 97.

prime numbers that are less than10 = 2, 3, 5, 7