Q: Is 1,337,640 a Prime Number?
A: No, 1,337,640 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 1337640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 71 120 142 157 213 284 314 355 426 471 568 628 710 785 852 942 1,065 1,256 1,420 1,570 1,704 1,884 2,130 2,355 2,840 3,140 3,768 4,260 4,710 6,280 8,520 9,420 11,147 18,840 22,294 33,441 44,588 55,735 66,882 89,176 111,470 133,764 167,205 222,940 267,528 334,410 445,880 668,820 and 1,337,640, with no remainder.
Since 1,337,640 cannot be divided by just 1 and 1,337,640, it is not a prime number.