## What is the highest 5 digit prime number?

Part of my assignement was to find the biggest 5 digit prime number with the sum of its digits = 35, since 7+7+7+7+7=35 then the range of possible numbers would be from 77777-99999, for some reson starting from 99999 seemed more safe and after a few tries I’ve found 99971 to be the desired number.

**What is a 5 digit number?**

As the name says, a 5-digit number compulsorily has 5-digits in it. The smallest 5-digit number is 10,000 and the greatest 5-digit number is 99,999. There are 90,000 five-digit numbers in all. The digit at the ten thousand place in a 5-digit number can never be 0.

**What is a digit prime number?**

A prime-digit prime is a prime that has only the digits 2, 3, 5, or 7. E.g., 2357. Related pages (outside of this work)

### What are the first 1000 prime numbers?

List of Prime Numbers 1 to 1000

Numbers | Number of prime numbers | List of prime numbers |
---|---|---|

801-900 | 15 numbers | 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887 |

901-1000 | 14 numbers | 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997 |

Total number of prime numbers (1 to 1000) = 168 |

**Is there a 5 digit perfect number?**

What are the First 5 Perfect Numbers? The first 5 perfect numbers are 6, 28, 496, 8128, and 33550336.

**What is the smallest 5 digit prime number?**

10000

Write the smallest 5-digit number and express it in the form of its prime factors by tree diagram. Answer: Prime numbers are the numbers with two factors, 1 and the number itself. The smallest five-digit number = 10000.

## What are the 3 digit prime numbers?

3-Digit Primes

- 1 100s.
- 2 200s.
- 3 300s.
- 4 400s.
- 5 500s.
- 6 600s.
- 7 700s.
- 8 800s.

**How do you check a prime number?**

1) If the number ends in 0,2,4,6,8 then it is not prime 2) Add the digits of your number; if the sum is divisible by 3 then it is not a prime number 2329 = 2 + 3 + 2 + 3) If Steps 1 and 2 are not true then find the square root of the number 48.25 4) Divide the number by all prime numbers less than 48.25 (exclude 2, 3, 5)

**How do you calculate prime numbers?**

Simple division with pencil and paper can also be a good method for teaching young learners how to determine prime numbers. First, divide the number by two, then by three, four, and five if none of those factors yields a whole number.

### What are the 5 smallest prime numbers?

The 5 smallest prime numbers are 2,3,5,7,11 and HCF will be 1 as they are divisible by 1 and by itself. The 5 smallest composite numbers are 1,4,6,8,9 and HCF is same 1 for this numbers as well. Because 1 is divisible by 1 only.

**What is the sum of the first 5 prime numbers?**

The first five prime numbers are 2,3,5,7,11. The sum of the first five prime numbers is 28. The sum is: 2+3+5+7+11 = 28.