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