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