Q: Is 43,740 a Prime Number?
A: No, 43,740 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 43740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 729 810 972 1,215 1,458 1,620 2,187 2,430 2,916 3,645 4,374 4,860 7,290 8,748 10,935 14,580 21,870 and 43,740, with no remainder.
Since 43,740 cannot be divided by just 1 and 43,740, it is not a prime number.