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