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