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