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