Q: Is 528,240 a Prime Number?
A: No, 528,240 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 528240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 71 80 93 120 124 142 155 186 213 240 248 284 310 355 372 426 465 496 568 620 710 744 852 930 1,065 1,136 1,240 1,420 1,488 1,704 1,860 2,130 2,201 2,480 2,840 3,408 3,720 4,260 4,402 5,680 6,603 7,440 8,520 8,804 11,005 13,206 17,040 17,608 22,010 26,412 33,015 35,216 44,020 52,824 66,030 88,040 105,648 132,060 176,080 264,120 and 528,240, with no remainder.
Since 528,240 cannot be divided by just 1 and 528,240, it is not a prime number.