Q: Is 542,920 a Prime Number?
A: No, 542,920 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 542920 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 277 280 392 490 554 980 1,108 1,385 1,939 1,960 2,216 2,770 3,878 5,540 7,756 9,695 11,080 13,573 15,512 19,390 27,146 38,780 54,292 67,865 77,560 108,584 135,730 271,460 and 542,920, with no remainder.
Since 542,920 cannot be divided by just 1 and 542,920, it is not a prime number.