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