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