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