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