Q: Is 7,808,000 a Prime Number?
A: No, 7,808,000 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 7808000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 125 128 160 200 244 250 256 305 320 400 488 500 512 610 640 800 976 1,000 1,024 1,220 1,280 1,525 1,600 1,952 2,000 2,440 2,560 3,050 3,200 3,904 4,000 4,880 5,120 6,100 6,400 7,625 7,808 8,000 9,760 12,200 12,800 15,250 15,616 16,000 19,520 24,400 25,600 30,500 31,232 32,000 39,040 48,800 61,000 62,464 64,000 78,080 97,600 122,000 128,000 156,160 195,200 244,000 312,320 390,400 488,000 780,800 976,000 1,561,600 1,952,000 3,904,000 and 7,808,000, with no remainder.
Since 7,808,000 cannot be divided by just 1 and 7,808,000, it is not a prime number.