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