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