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