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247 is equal to 13 x 19.

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โˆ™ 2010-03-10 02:13:23
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Q: Why isn't 247 a prime number?
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Related questions

Is 247 a prime number or a composite number?

247 is not prime. 247 = 13 * 19


Is 247 a prime number?

No, 247 is NOT a prime number. The simple definition of a prime number in simple math is: Any number that can only be divided by itself and the number "1", the number is then PRIME, not composite. 247 is a composite number; its factors are: 1, 13, 19, 247.


A number that isnt a prime number?

Composite


What is a number called when it isnt a prime number?

Composite


Is 247 prime?

247/13=19 247 is not a prime


Is 247 prime number or composite?

247 is a composite number because it has more than two factors


Why isnt 91 a prime number?

because this number is not divisible by 2


What is the smallest number that looks prime but really isnt?

One.


Why isnt 39 a prime number?

39 is not a prime number because it has four factors: 1,3,13,39 and because prime number are numbers who has 2 factors.


Is 247 a prime or a composite?

The two prime numbers 13*19=247


Is 2717 prime?

A prime number is a whole number that can only be divided equally by itself and 1. 2717 divided by 11 is 247; therefore 2717 is not a prime number.


What are the factors and prime factors of 247?

The 4 factors of 247 are 1, 13, 19, and 247. The factor pairs of 247 are 1 x 247 and 13 x 19. The prime factors of 247 are 13 and 19. The prime factorization of 247 is 13 x 19.


Why isnt 99 a prime number?

9 times 11 is 99. A prime is a number whose factors are one and itself.


Which is a prime number 247 111 125 152 83 or 105?

83


What number goes into both 247 and 330?

1. The numbers are co-prime.


Is 494 a prime number?

Prime numbers are numbers that can be divided by by only 1 and itself. 494 can be divided by 2, 247 etc. so it is not a prime number.


Can five over nineteen be reduced?

no, 5 isnt divisable by 19. 19 is a prime number and isnt divisable by anything.


What two prime numbers add up to 247?

All of the prime numbers (except 2) are odd. The sum of any two prime numbers (except 2) will be even. Unless 245 is a prime number (it isn't) your question does not have a solution.


What is the prime factorization of 247?

13 x 19 = 247


What is the prime factorization for 247?

13 x 19 = 247


Is there an equation to find prime numbers?

a prime number is a number that can only be divided by 1and its self... 1 isnt a prime number but 2, 3, 5, 7, 9, 11 etc... are prime numbers.


What are the prime numbers in 23 32 9 1851 37 and 79?

23, 37, 79 and 51 (assuming 1851 is a typo, 18 isnt a prime) if not a typo 1851 isnt a prime number anyway, it divides by 3


The number 247 is divisible by what number?

Any number multiplied by 247.


Is 247 composite?

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 247 is composite.


What is the prime factor of 247?

13 and 19