Q: Is 765,380 a Prime Number?
A: No, 765,380 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 765380 can be evenly divided by 1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 71 77 98 110 140 142 154 196 220 245 284 308 355 385 490 497 539 710 770 781 980 994 1,078 1,420 1,540 1,562 1,988 2,156 2,485 2,695 3,124 3,479 3,905 4,970 5,390 5,467 6,958 7,810 9,940 10,780 10,934 13,916 15,620 17,395 21,868 27,335 34,790 38,269 54,670 69,580 76,538 109,340 153,076 191,345 382,690 and 765,380, with no remainder.
Since 765,380 cannot be divided by just 1 and 765,380, it is not a prime number.