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