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