Yes
A composite number, because there are factors other than itself and one: 2, 3, 4, 6, 8, 12.
The smallest number they can go into is 12.
61
1 and 5.
3
61.
603 541 2976
The mixed number of 2.1 is 2 1/10
2 is a prime number, but since 4 is divisible by 2, then 4 is not prime.
3,400 in Scientific Notation = 3.4 x 103
No they are not prime numbers because 4 is composite.