Q: Is 507,640 a Prime Number?
A: No, 507,640 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 507640 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 37 40 49 56 70 74 98 140 148 185 196 245 259 280 296 343 370 392 490 518 686 740 980 1,036 1,295 1,372 1,480 1,715 1,813 1,960 2,072 2,590 2,744 3,430 3,626 5,180 6,860 7,252 9,065 10,360 12,691 13,720 14,504 18,130 25,382 36,260 50,764 63,455 72,520 101,528 126,910 253,820 and 507,640, with no remainder.
Since 507,640 cannot be divided by just 1 and 507,640, it is not a prime number.