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