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