Q: Is 1,309,248 a Prime Number?
A: No, 1,309,248 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 1309248 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 2,273 4,546 6,819 9,092 13,638 18,184 20,457 27,276 36,368 40,914 54,552 72,736 81,828 109,104 145,472 163,656 218,208 327,312 436,416 654,624 and 1,309,248, with no remainder.
Since 1,309,248 cannot be divided by just 1 and 1,309,248, it is not a prime number.