## What is the next prime number after 140?

The first 1000 prime numbers

1 | 11 | |
---|---|---|

81–100 | 419 | 467 |

101–120 | 547 | 607 |

121–140 | 661 | 739 |

141–160 | 811 | 877 |

**How many prime numbers are palindromes?**

The first few decimal palindromic primes are: 2, 3, 5, 7, 11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, … (sequence A002385 in the OEIS) 101888529 – 10944264 – 1….Palindromic prime.

Conjectured no. of terms | Infinite |
---|---|

Largest known term | 101234567 – 20342924302 · 10617278 – 1 |

**Is 1 a prime number7?**

Using this definition, 1 can be divided by 1 and the number itself, which is also 1, so 1 is a prime number. 13 is prime, because it can be divided by exactly two numbers, 1 and 13. 6 is not prime, because it can be divided by four numbers, 1, 2, 3 and 6.

### What are the smallest primes?

2 is the smallest prime number. It also the only even prime number – all other even numbers can be divided by themselves, 1 and 2 at least, meaning they will have at least 3 factors.

**How many primes are less than 200 explain?**

List of Prime Numbers From 1 to 500

Range of Numbers | List of Prime Numbers | Total |
---|---|---|

1 to 100 | 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 | 25 |

101 – 200 | 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199 | 21 |

**What is the only even prime number?**

The unique even prime number 2. All other primes are odd primes. Humorously, that means 2 is the “oddest” prime of all.

## Are there infinitely many palindromic primes?

2. Palindromic primes. The following observations suggest that there may be infinitely many palindromic primes and, moreover, that there may be relatively more primes in the set of palindromes composed of an odd number of digits than there are primes in the set of positive integers composed of an odd number of digits.

**How do you check whether a number is prime palindrome or not?**

Steps to check PalPrime number We use the “for loop” to check whether the number is prime or not. We also check whether the number is palindrome or not. If the number is both Prime and Palindrome, print “number is a PalPrime number.”. If not, then print “number is not a PalPrime number.”.

**Is 2 prime number or not?**

The first five prime numbers: 2, 3, 5, 7 and 11. A prime number is an integer, or whole number, that has only two factors — 1 and itself. Put another way, a prime number can be divided evenly only by 1 and by itself.

### Which is the smallest odd prime number?

3

3 is the Smallest Odd Prime Number.

https://www.youtube.com/watch?v=1U0Rx4KZaNA