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