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