Q: Is 145,800 a Prime Number?
A: No, 145,800 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 145800 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 135 150 162 180 200 216 225 243 270 300 324 360 405 450 486 540 600 648 675 729 810 900 972 1,080 1,215 1,350 1,458 1,620 1,800 1,944 2,025 2,430 2,700 2,916 3,240 3,645 4,050 4,860 5,400 5,832 6,075 7,290 8,100 9,720 12,150 14,580 16,200 18,225 24,300 29,160 36,450 48,600 72,900 and 145,800, with no remainder.
Since 145,800 cannot be divided by just 1 and 145,800, it is not a prime number.