Q: Is 72,900 a Prime Number?
A: No, 72,900 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 72900 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 180 225 243 270 300 324 405 450 486 540 675 729 810 900 972 1,215 1,350 1,458 1,620 2,025 2,430 2,700 2,916 3,645 4,050 4,860 6,075 7,290 8,100 12,150 14,580 18,225 24,300 36,450 and 72,900, with no remainder.
Since 72,900 cannot be divided by just 1 and 72,900, it is not a prime number.