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In algebra, the content of a polynomial is the highest common factor of its coefficients.

A polynomial is primitive if it has content unity.

Gauss's lemma for polynomials may be expressed as stating that for polynomials over a unique factorization domain, the content of the product of two polynomials is the product of their contents.

References

• B. Hartley; T.O. Hawkes (1970). Rings, modules and linear algebra. Chapman and Hall. ISBN 0-412-09810-5. 
• Serge Lang (1993). Algebra, 3rd ed., Addison-Wesley, 181. ISBN 0-201-55540-9. 
• David Sharpe (1987). Rings and factorization. Cambridge University Press, 68-69. ISBN 0-521-33718-6.