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