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