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