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