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