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