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