The smallest is 1009, and the largest is 9973.

## What is the first 4 digit prime number?

The first 1000 prime numbers

1 | 4 | |
---|---|---|

181–200 | 1087 | 1097 |

201–220 | 1229 | 1249 |

221–240 | 1381 | 1423 |

241–260 | 1523 | 1549 |

## What is the smallest 4 digit number?

Four Digit Numbers

The smallest four-digit number is 1000 and the greatest is 9999.

## How do you find a 4 digit prime number?

Take a number, say, 26577. The unit digit of this number is not 0, 2, 4, 6 or 8. Now, take the sum of digits which will be: 2 + 6 + 5 + 7 + 7 = 27. Since 27 is divisible by 3, 26577 is not a prime number.

## What is smallest prime number?

A prime number is a whole number greater than 1 that can only be divided by itself and 1. The smallest prime numbers are 2, 3, 5, 7, 11, 13, 17, 19 and 23. The number 2 is the only even prime number. The number 7 has only two factors: 1 and itself.

## Why is 11 not a prime number?

The first 25 prime numbers (all the prime numbers less than 100) are: 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 (sequence A000040 in the OEIS). . Therefore, every prime number other than 2 is an odd number, and is called an odd prime.

## What is the 4 digit greatest number?

the greatest four-digit number is 9999.

## What is the 6 digit smallest number?

(iv) On adding one to the largest five digit number, we get 100000 which is the smallest six digit number.

## What is the smallest 4 digit number with no digits repeated?

Smallest 4 digit number in which no digit is repeated is => 1023.

## What is greatest and smallest number?

Thus, the greatest number is 8741. To get the smallest number, the smallest digit 1 is placed at thousands-place, next greater digit 4 at hundred’s place, still greater digit 7 at ten’s place and greatest digit 8 at one’s or units place. Thus, the smallest number is 1478.

## What is the fastest way to find a prime number?

To prove whether a number is a prime number, first try dividing it by 2, and see if you get a whole number. If you do, it can’t be a prime number. If you don’t get a whole number, next try dividing it by prime numbers: 3, 5, 7, 11 (9 is divisible by 3) and so on, always dividing by a prime number (see table below).

## What is the formula to find prime numbers?

Every prime number can be written in the form of 6n + 1 or 6n – 1 (except the multiples of prime numbers, i.e. 2, 3, 5, 7, 11), where n is a natural number.

## How do you find the big prime numbers?

How to identify a large prime number

- The lowest even prime number is 2.
- The lowest odd prime number is 3.
- All prime numbers above 3 can be represented by the formula 6n + 1 and 6n -1 for n>=1. Prove It! …
- There are 25 prime number between 1 and 100. …
- All prime numbers except 2 and 5 ends in 1, 3, 7 or 9 (noticed it?)

## Is 3 the smallest prime number?

The smallest prime number defined by modern mathematicians is 2. To be prime, a number must be divisible only by 1 and the number itself which is fulfilled by the number 2.

## What is Coprime number?

A Co-prime number is a set of numbers or integers which have only 1 as their common factor i.e. their highest common factor (HCF) will be 1. Co-prime numbers are also known as relatively prime or mutually prime numbers.

## What is a smallest number?

0 is the smallest whole number. W = {0,1,2,3,4… } 1 is the smallest natural number. N = {1,2,3,4…..