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