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