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