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