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