Tag Archives: co-prime 1 to 20

List Of Prime Numbers 1 to 20 with PDF & sum of odd-even prime numbers

Prime Numbers 1 to 20

There are 8 prime numbers, 7 odd Prime Numbers 1 to 20

Prime Numbers 1 to 20

How to Find Prime numbers 1 to 20?

Step-1 Remove all numbers divisible by 2 from the table list.

First, make a table of all numbers from 1 to 20. Remove the numbers that are divisible by 2 from the table list.

How to Find Prime numbers 1 to 20

Step-2 In the second step, remove the numbers that are divisible from 3 from the list.

prime number between 1 to 20

Step-3 The number left after dividing by 3 will be prime numbers.

prime numbers between 1 to 20

Sum of prime number between 1 to 20

There are 8 numbers from 1 to 20 and their sum is 77. Sum 2+3+5+7+11+13+17+19 = 77

Sum of all odd prime numbers between 1 to 20

There are 7 numbers from 1 to 20 and their sum is 75. Sum 3+5+7+11+13+17+19 = 75

A co-prime number between 1 to 20

1,22,33,513,171,3
2,513,193,71,42,7
3,111,5 2,93,131,6
2,113,171,72,133,19
1,82,151,92,171,10
2,191,112,21 2,231,12

Learn More co-prime number

How many prime numbers are there between 0 and 20?

There are 8 prime numbers and 7 odd prime numbers from 1 to 20.

Is 1 a prime number?

1 is not a prime number but a natural number.

Why 1 is not a prime number?

Prime numbers by definition have only two factors. There is only one factor of 1 so it is not a prime number but a natural number.

What is the greatest prime number between 1 to 20?

The greatest prime number between 1 to 20 is 19 which is also an odd prime number.

What are the smallest prime numbers between 1 and 20?

The smallest prime number between 1 and 20 is 2 not 1. 2 is the only-one even prime number

Which is the even prime number 1 to 20?

There are 2 even prime numbers between 1 to 20 numbers.

Is 2 a prime number?

Yes! 2 is even prime number.

Is 3 a prime number?

Yes! 3 is odd prime.

Is 4 a prime number?

No! natural number

Is 5 a prime number?

Yes! 5 is odd prime number

Is 6 a prime number?

No! 6 is natural number

Is 7 a prime number?

Yes! 7 is odd prime number

Is 8 a prime number?

No! 8 is natural and even number

Is 9 a prime number?

No! 9 natural number and odd number

Is 10 a prime number?

No! 10 natural and even number