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