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