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