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