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