Is 610 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
For 610, the answer is: No, 610 is not a prime number.
The list of all positive divisors (i.e., the list of all integers that divide 610) is as follows: 1, 2, 5, 10, 61, 122, 305, 610.
For 610 to be a prime number, it would have been required that 610 has only two divisors, i.e., itself and 1.
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Actually, one can immediately see that 610 cannot be prime, because 5 is one of its divisors: indeed, a number ending with 0 or 5 has necessarily 5 among its divisors. The last digit of 610 is 0, so it is divisible by 5 and is therefore not prime.
As a consequence:
- 610 is a multiple of 1
- 610 is a multiple of 2
- 610 is a multiple of 5
- 610 is a multiple of 10
- 610 is a multiple of 61
- 610 is a multiple of 122
- 610 is a multiple of 305
For 610 to be a prime number, it would have been required that 610 has only two divisors, i.e., itself and 1.
Is 610 a deficient number?
Yes, 610 is a deficient number, that is to say 610 is a natural number that is strictly larger than the sum of its proper divisors, i.e., the divisors of 610 without 610 itself (that is 1 + 2 + 5 + 10 + 61 + 122 + 305 = 506).