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