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