Q: Is 138,513,240 a Prime Number?

 A: No, 138,513,240 is not a prime number.

Why is 138,513,240 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 138513240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1,080 1,620 3,240 42,751 85,502 128,253 171,004 213,755 256,506 342,008 384,759 427,510 513,012 641,265 769,518 855,020 1,026,024 1,154,277 1,282,530 1,539,036 1,710,040 1,923,795 2,308,554 2,565,060 3,078,072 3,462,831 3,847,590 4,617,108 5,130,120 5,771,385 6,925,662 7,695,180 9,234,216 11,542,770 13,851,324 15,390,360 17,314,155 23,085,540 27,702,648 34,628,310 46,171,080 69,256,620 and 138,513,240, with no remainder.

Since 138,513,240 cannot be divided by just 1 and 138,513,240, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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