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