/* 0.26.0-alpha2 */
import { BigNum, IBigNum } from './bignum';
export declare function gcd(a: BigNum, b: BigNum): BigNum;
export declare function lcm(a: BigNum, b: BigNum): BigNum;
export declare function factorial(ce: IBigNum, n: BigNum): BigNum;
export declare function factorial2(ce: IBigNum, n: BigNum): BigNum;
/**
 * If the exponent of the bignum is in the range of the exponents
 * for machine numbers,return true.
 */
export declare function isInMachineRange(d: BigNum): boolean;