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