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