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Write out the numbers 1 to 100 in 10 rows. Cross out 1. Start at 2 and cross out multiples of 2. That would eliminate all the rest of the even numbers. Go to the next uncrossed-out number (3) and cross out all of its multiples. Some of them will already be crossed out. You can stop by the time you get to ten. All of the uncrossed-out numbers are prime.

Q: How do you learn prime number from 1 to 100?

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13 is a prime number between 1 and 100. There are 24 others.

The smallest prime number from 1 to 100 is 2.

97 is the highest prime number between 1 and 100.

Number of Prime Numbers from 1 to 100 is 25. From 1 to 50 it was 15 From 50 to 100 it was 10

The last prime number before 100 is 97

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13 is a prime number between 1 and 100. There are 24 others.

The smallest prime number from 1 to 100 is 2.

No, 99 is not a prime number. The largest prime number between 1 and 100 is 97.

97 is the highest prime number between 1 and 100.

Number of Prime Numbers from 1 to 100 is 25. From 1 to 50 it was 15 From 50 to 100 it was 10

The last prime number before 100 is 97

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

1 is the only number between 1 and 100 that has too few factors to be a prime number.

99 is not a prime number.

There are 25 prime numbers from 1 to 100.

The 20th prime is 71.

1 is not a prime number, so it wouldn't be present in any prime factorization. Prime numbers don't really have factorizations, that is, the factorization is the number itself. There are prime numbers greater than 100.