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