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