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Q: Is the square root of 641 an irrational number?
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What are the factors of 641?

To find the factors of a number, when there are no obvious ones, first square root that number. In this case, 641 would square root to somewhere between 25 and 26. The next step is to divide 641 by each prime number between 1 and 25 in turn, seeing if it has any divisors. 641 can be shown to have no divisors between 1 and 25, and thus we can conclude it is prime. Therefore, the only factors of 641 are 1 and 641.


Is 641 a prime number?

Yes 641 is a prime number. You would need to check all the factors up to the square root of 641. So you need to look at all the possible prime factors up to 25. Some can be skipped such as 2 and 3.


Can someone simplify the square root of -128?

-1281/2 = -11/2 * 1281/2 = i * 1281/2 = i * 641/2 * 21/2 = i * 8 * 21/2Short of now calculating the value and writing this as a multiple of i this is as simplified as it can be.The square root of -128 = 8i * 21/2(note: x1/2 means "the square root of x").


What is the 6th root of 64?

The 6th root of 64 is 641/6 2 since 26 64


What is the biggest number you can make using the digits 641?

you just wrote the answer.............................641


how do you that 641 millionths is rational by writing it as a ratio of two integers?

641 millionths is rational because it can be written as a ratio of two integers, 641:1000000. This means that 641 millionths is equal to 641/1000000, which is a rational number.


What is the area of Zagreb?

The area of Zagreb is 641 square kilometers.


What does 641 mean?

It means that 641 is a prime number because it has only two factors which are itself and one.


How many kilometer square of santiago?

247.5 sq miles (641 km²).


What is the area of Anzaldo Municipality?

The area of Anzaldo Municipality is 641 square kilometers.


Is 641 prime or composite?

It is a prime number.


What is the least prime number greater than 632?

641