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