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