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