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