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