Q: Is 354,840 a Prime Number?
A: No, 354,840 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 354840 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2,957 5,914 8,871 11,828 14,785 17,742 23,656 29,570 35,484 44,355 59,140 70,968 88,710 118,280 177,420 and 354,840, with no remainder.
Since 354,840 cannot be divided by just 1 and 354,840, it is not a prime number.