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