Q: Is 1,248,520 a Prime Number?
A: No, 1,248,520 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 1248520 can be evenly divided by 1 2 4 5 7 8 10 13 14 20 26 28 35 40 49 52 56 65 70 91 98 104 130 140 182 196 245 260 280 343 364 392 455 490 520 637 686 728 910 980 1,274 1,372 1,715 1,820 1,960 2,401 2,548 2,744 3,185 3,430 3,640 4,459 4,802 5,096 6,370 6,860 8,918 9,604 12,005 12,740 13,720 17,836 19,208 22,295 24,010 25,480 31,213 35,672 44,590 48,020 62,426 89,180 96,040 124,852 156,065 178,360 249,704 312,130 624,260 and 1,248,520, with no remainder.
Since 1,248,520 cannot be divided by just 1 and 1,248,520, it is not a prime number.