Q: Is 1,377,684 a Prime Number?
A: No, 1,377,684 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 1377684 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 49 63 66 71 77 84 98 99 126 132 142 147 154 196 198 213 231 252 284 294 308 396 426 441 462 497 539 588 639 693 781 852 882 924 994 1,078 1,278 1,386 1,491 1,562 1,617 1,764 1,988 2,156 2,343 2,556 2,772 2,982 3,124 3,234 3,479 4,473 4,686 4,851 5,467 5,964 6,468 6,958 7,029 8,946 9,372 9,702 10,437 10,934 13,916 14,058 16,401 17,892 19,404 20,874 21,868 28,116 31,311 32,802 38,269 41,748 49,203 62,622 65,604 76,538 98,406 114,807 125,244 153,076 196,812 229,614 344,421 459,228 688,842 and 1,377,684, with no remainder.
Since 1,377,684 cannot be divided by just 1 and 1,377,684, it is not a prime number.