875is an odd number,as it is not divisible by 2
The factors for 875 are all the numbers between -875 and 875 , which divide 875 without leaving any remainder. Since 875 divided by -875 is an integer, -875 is a factor of 875 .
Since 875 divided by -875 is a whole number, -875 is a factor of 875
Since 875 divided by -175 is a whole number, -175 is a factor of 875
Since 875 divided by -125 is a whole number, -125 is a factor of 875
Since 875 divided by -35 is a whole number, -35 is a factor of 875
Since 875 divided by -25 is a whole number, -25 is a factor of 875
Since 875 divided by -7 is a whole number, -7 is a factor of 875
Since 875 divided by -5 is a whole number, -5 is a factor of 875
Since 875 divided by -1 is a whole number, -1 is a factor of 875
Since 875 divided by 1 is a whole number, 1 is a factor of 875
Since 875 divided by 5 is a whole number, 5 is a factor of 875
Since 875 divided by 7 is a whole number, 7 is a factor of 875
Since 875 divided by 25 is a whole number, 25 is a factor of 875
Since 875 divided by 35 is a whole number, 35 is a factor of 875
Since 875 divided by 125 is a whole number, 125 is a factor of 875
Since 875 divided by 175 is a whole number, 175 is a factor of 875
Multiples of 875 are all integers divisible by 875 , i.e. the remainder of the full division by 875 is zero. There are infinite multiples of 875. The smallest multiples of 875 are:
0 : in fact, 0 is divisible by any integer, so it is also a multiple of 875 since 0 × 875 = 0
875 : in fact, 875 is a multiple of itself, since 875 is divisible by 875 (it was 875 / 875 = 1, so the rest of this division is zero)
etc.
It is possible to determine using mathematical techniques whether an integer is prime or not.
for 875, the answer is: No, 875 is not a prime number.
To know the primality of an integer, we can use several algorithms. The most naive is to try all divisors below the number you want to know if it is prime (in our case 875). We can already eliminate even numbers bigger than 2 (then 4 , 6 , 8 ...). Besides, we can stop at the square root of the number in question (here 29.58 ). Historically, the Eratosthenes screen (which dates back to Antiquity) uses this technique relatively effectively.
More modern techniques include the Atkin screen, probabilistic tests, or the cyclotomic test.
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