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