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59is an odd number,as it is not divisible by 2
The factors for 59 are all the numbers between -59 and 59 , which divide 59 without leaving any remainder. Since 59 divided by -59 is an integer, -59 is a factor of 59 .
Since 59 divided by -59 is a whole number, -59 is a factor of 59
Since 59 divided by -1 is a whole number, -1 is a factor of 59
Since 59 divided by 1 is a whole number, 1 is a factor of 59
Multiples of 59 are all integers divisible by 59 , i.e. the remainder of the full division by 59 is zero. There are infinite multiples of 59. The smallest multiples of 59 are:
0 : in fact, 0 is divisible by any integer, so it is also a multiple of 59 since 0 × 59 = 0
59 : in fact, 59 is a multiple of itself, since 59 is divisible by 59 (it was 59 / 59 = 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 59, the answer is: yes, 59 is a prime number because it only has two different divisors: 1 and itself (59).
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 59). 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 7.681 ). 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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