Q: Is 1,507,840 a Prime Number?
A: No, 1,507,840 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 1507840 can be evenly divided by 1 2 4 5 8 10 16 19 20 31 32 38 40 62 64 76 80 95 124 128 152 155 160 190 248 256 304 310 320 380 496 512 589 608 620 640 760 992 1,178 1,216 1,240 1,280 1,520 1,984 2,356 2,432 2,480 2,560 2,945 3,040 3,968 4,712 4,864 4,960 5,890 6,080 7,936 9,424 9,728 9,920 11,780 12,160 15,872 18,848 19,840 23,560 24,320 37,696 39,680 47,120 48,640 75,392 79,360 94,240 150,784 188,480 301,568 376,960 753,920 and 1,507,840, with no remainder.
Since 1,507,840 cannot be divided by just 1 and 1,507,840, it is not a prime number.