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