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