Q: Is 1,221,648 a Composite Number?
A: Yes, 1,221,648 is a composite number.
The number 1,221,648 can be evenly divided by 1 2 3 4 6 8 12 16 24 31 48 62 93 124 186 248 372 496 744 821 1,488 1,642 2,463 3,284 4,926 6,568 9,852 13,136 19,704 25,451 39,408 50,902 76,353 101,804 152,706 203,608 305,412 407,216 610,824 and 1,221,648, with no remainder.
Since 1,221,648 cannot be divided by just 1 and 1,221,648, it is a composite number.