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