Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {5, 13, 3, 9, 2, 29} → ______
- Prime numbers in {23, 11, 7, 27, 15, 25} → ______
- Prime numbers in {29, 17, 19, 8, 7, 5} → ______
- Prime numbers in {17, 11, 21, 15, 9, 27} → ______
- Prime numbers in {21, 29, 7, 19, 23, 11} → ______
- Prime numbers in {5, 25, 23, 17, 12, 11} → ______
- Prime numbers in {27, 12, 9, 15, 19, 13} → ______
- Prime numbers in {3, 27, 2, 23, 15, 5} → ______
- Prime numbers in {27, 9, 23, 12, 19, 5} → ______
- Prime numbers in {3, 7, 8, 13, 21, 29} → ______
- Prime numbers in {23, 7, 17, 25, 13, 19} → ______
- Prime numbers in {23, 7, 25, 5, 12, 29} → ______
- Prime numbers in {21, 8, 5, 9, 13, 27} → ______
- Prime numbers in {7, 3, 12, 9, 21, 25} → ______
- Prime numbers in {17, 19, 8, 3, 15, 9} → ______
- Prime numbers in {12, 8, 19, 7, 11, 13} → ______
- Prime numbers in {25, 17, 2, 21, 5, 23} → ______
- Prime numbers in {13, 2, 7, 25, 21, 27} → ______
- Prime numbers in {2, 15, 21, 8, 23, 17} → ______
- Prime numbers in {17, 27, 7, 29, 23, 3} → ______