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