Q: Is 187,005 a Prime Number?
A: No, 187,005 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 187005 can be evenly divided by 1 3 5 7 13 15 21 35 39 65 91 105 137 195 273 411 455 685 959 1,365 1,781 2,055 2,877 4,795 5,343 8,905 12,467 14,385 26,715 37,401 62,335 and 187,005, with no remainder.
Since 187,005 cannot be divided by just 1 and 187,005, it is not a prime number.