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