Q: Is 627,440 a Prime Number?
A: No, 627,440 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 627440 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 23 31 40 44 46 55 62 80 88 92 110 115 124 155 176 184 220 230 248 253 310 341 368 440 460 496 506 620 682 713 880 920 1,012 1,240 1,265 1,364 1,426 1,705 1,840 2,024 2,480 2,530 2,728 2,852 3,410 3,565 4,048 5,060 5,456 5,704 6,820 7,130 7,843 10,120 11,408 13,640 14,260 15,686 20,240 27,280 28,520 31,372 39,215 57,040 62,744 78,430 125,488 156,860 313,720 and 627,440, with no remainder.
Since 627,440 cannot be divided by just 1 and 627,440, it is not a prime number.