Q: Is 15,623,928 a Composite Number?

Why is 15,623,928 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 15,623,928 can be evenly divided by 1 2 3 4 6 8 9 12 18 19 24 27 36 38 47 54 57 72 76 81 94 108 114 141 152 162 171 188 216 228 243 282 324 342 376 423 456 486 513 564 648 684 729 846 893 972 1,026 1,128 1,269 1,368 1,458 1,539 1,692 1,786 1,944 2,052 2,187 2,538 2,679 2,916 3,078 3,384 3,572 3,807 4,104 4,374 4,617 5,076 5,358 5,832 6,156 7,144 7,614 8,037 8,748 9,234 10,152 10,716 11,421 12,312 13,851 15,228 16,074 17,496 18,468 21,432 22,842 24,111 27,702 30,456 32,148 34,263 36,936 41,553 45,684 48,222 55,404 64,296 68,526 72,333 83,106 91,368 96,444 102,789 110,808 137,052 144,666 166,212 192,888 205,578 216,999 274,104 289,332 332,424 411,156 433,998 578,664 650,997 822,312 867,996 1,301,994 1,735,992 1,952,991 2,603,988 3,905,982 5,207,976 7,811,964 and 15,623,928, with no remainder.

Since 15,623,928 cannot be divided by just 1 and 15,623,928, it is a composite number.

More Examples

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