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