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