Q: Is 561,204 a Prime Number?
A: No, 561,204 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 561204 can be evenly divided by 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 131 153 204 238 252 262 306 357 393 476 524 612 714 786 917 1,071 1,179 1,428 1,572 1,834 2,142 2,227 2,358 2,751 3,668 4,284 4,454 4,716 5,502 6,681 8,253 8,908 11,004 13,362 15,589 16,506 20,043 26,724 31,178 33,012 40,086 46,767 62,356 80,172 93,534 140,301 187,068 280,602 and 561,204, with no remainder.
Since 561,204 cannot be divided by just 1 and 561,204, it is not a prime number.