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 {25, 11, 19, 13, 29, 15} → ______
- Prime numbers in {29, 23, 11, 9, 3, 15} → ______
- Prime numbers in {23, 29, 13, 9, 19, 21} → ______
- Prime numbers in {21, 8, 27, 12, 7, 5} → ______
- Prime numbers in {8, 3, 2, 25, 27, 13} → ______
- Prime numbers in {8, 3, 27, 21, 25, 15} → ______
- Prime numbers in {3, 2, 19, 27, 12, 9} → ______
- Prime numbers in {13, 2, 29, 23, 12, 11} → ______
- Prime numbers in {9, 12, 23, 25, 11, 27} → ______
- Prime numbers in {21, 8, 25, 7, 19, 2} → ______
- Prime numbers in {12, 23, 19, 29, 13, 9} → ______
- Prime numbers in {25, 9, 5, 11, 29, 13} → ______
- Prime numbers in {27, 23, 15, 8, 9, 19} → ______
- Prime numbers in {8, 5, 12, 27, 3, 2} → ______
- Prime numbers in {8, 3, 19, 13, 25, 27} → ______
- Prime numbers in {21, 2, 12, 23, 19, 29} → ______
- Prime numbers in {2, 3, 15, 27, 9, 21} → ______
- Prime numbers in {11, 2, 27, 13, 17, 8} → ______
- Prime numbers in {23, 29, 17, 15, 7, 8} → ______
- Prime numbers in {8, 9, 27, 19, 2, 29} → ______