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