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