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