Q: Is 142,380 a Prime Number?
A: No, 142,380 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 142380 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 113 126 140 180 210 226 252 315 339 420 452 565 630 678 791 1,017 1,130 1,260 1,356 1,582 1,695 2,034 2,260 2,373 3,164 3,390 3,955 4,068 4,746 5,085 6,780 7,119 7,910 9,492 10,170 11,865 14,238 15,820 20,340 23,730 28,476 35,595 47,460 71,190 and 142,380, with no remainder.
Since 142,380 cannot be divided by just 1 and 142,380, it is not a prime number.