Q: Is 144,840 a Prime Number?
A: No, 144,840 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 144840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 71 85 102 120 136 142 170 204 213 255 284 340 355 408 426 510 568 680 710 852 1,020 1,065 1,207 1,420 1,704 2,040 2,130 2,414 2,840 3,621 4,260 4,828 6,035 7,242 8,520 9,656 12,070 14,484 18,105 24,140 28,968 36,210 48,280 72,420 and 144,840, with no remainder.
Since 144,840 cannot be divided by just 1 and 144,840, it is not a prime number.