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