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