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