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To prove that 61 is a Prime number.

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Q: Why would you divide 61 using prime numbers only?
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How do you find the mean using 16 numbers?

The mean is the average. You simply add all the numbers and divide by how many numbers there are. So the mean of 16 numbers would be the sum of all 16 numbers, divided by 16.


What number between 30 and 50 have exactly 2 factors each?

This is basically just a fancy way of asking you "What are the prime numbers between 30 and 50?" Prime numbers are numbers that have only two factors (numbers that divide evenly into the original number): one and themselves. Prime Examples: 2, 3, and 5 -- factors are 1 and 2, 1 and 3, and 1 and 5 Not Prime: 4 and 6 -- factors are 1, 2, and 4, and 1, 2, 3, and 6 So, the prime numbers between 30 and 50 would be: 31, 37, 41, 43, and 47


What are the prime factors of the numbers from 1 to 15000?

The set of prime factors of the numbers from 1 to 15,000 would be the set of prime numbers between 1 and 15,000. The link below has a list of the first 10,000 prime numbers, so if you take the primes less than 15,000, you will have the set of prime factors of the first 15,000 numbers. For prime factors of individual numbers, check the related question, "What are the prime factors of the numbers from 1 to 200?" Also check for WikiAnswers questions in the form of "What are the prime factors of __?" and "What are the factors and prime factors of __?"


What is the connection between Euclid and prime numbers?

Euclid (c. 300 BC) was one of the first to prove that there are infinitely many prime numbers. His proof was essentially to assume that there were a finite number of prime numbers, and arrive at a contradiction. Thus, there must be infinitely many prime numbers. Specifically, he supposed that if there were a finite number of prime numbers, then if one were to multiply all those prime numbers together and add 1, it would result in a number that was not divisible by any of the (finite number of) prime numbers, thus would itself be a prime number larger than the largest prime number in the assumed list - a contradiction.


What 3 ways to calculate a average?

1. you add up all of the numbers that you have. And then you divide the number of numbers you had so if i did 6,5,7 i would do 6+5+7=18 then i have three numbers so divide 18 by 3=6 and that would be my answer

Related questions

What numbers would you divide 899 by to determine if its prime or to prime factor it?

29 and 31


How would you do prime factorization?

All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this. Example: 210 210 Divide by two. 105,2 Divide by three. 35,3,2 Divide by five. 7,5,3,2 Stop. All the factors are prime. 2 x 3 x 5 x 7 = 210 That's the prime factorization of 210.


When getting a prime factor do you divide or multiply?

To get a prime factor, you would divide.


How do you break down the prime factorization of 76?

You have to find the smallest prime number that can go into 76, which is 2 and find out what 76/2 is. The, you would have to take the non-prime number and find the smallest prime number that can go into that, and divide by those to numbers again. The prime number you had with 76, you would keep that and keep dividing the non-prime numbers until you end up with all prime numbers.


How do you figure out prime factors?

All composite numbers can be expressed as unique products of prime numbers. This is accomplished by dividing the original number and its factors by prime numbers until all the factors are prime. A factor tree can help you visualize this.Example: 210210 Divide by two.105,2 Divide by three.35,3,2 Divide by five.7,5,3,2 Stop. All the factors are prime.2 x 3 x 5 x 7 = 210That's the prime factorization of 210.


What would you prefer odd numbers or prime numbers?

Prime numbers.


What is the GCF of 61 and 73 using factorizations?

61 and 73 are prime numbers. Prime numbers don't have prime factorizations, since their only prime factors are themselves. Since these would have to be different numbers, they don't have any prime factors in common. The GCF of any set of prime numbers is 1.


Are most prime numbers also odd numbers?

All prime numbers are odd numbers. If one were even, it would be divisible by two and would, therefore, not be prime.


What are the prime numbers between five and fifteen?

5,7,11,13 are prime I would suggest looking into the sieve of erasthenes for further reading. For tests, look at odd numbers and see if odd numbers divide them. ie 9 is not in the lsit because it is divisible by 3. Even numbers are always divisible by two.


What are two prime numbers that if multiplied would generate a 400-digit number?

Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.Any two prime numbers, of about 200 digits each, would work.


When you write a number as a product of prime numbers?

A number as a product of prime numbers would be "x".


How do you find prime number?

Prime numbers are the numbers that can only be divided by 1 and them selves. As in 13 if you were to factor it using only whole numbers you would see that its factors are only 1 and 13. There for it is prime. While 12 you see that the factors are 1,2,3,4,6,12 meaning that it is not prime.You test several numbers, to see whether they are prime numbers, until you find a prime number.