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