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